句型1
would rather that somebody did…“寧愿……;更愿意……”(表示現(xiàn)在或?qū)淼脑竿?
would rather that somebody had done…“寧愿……;更愿意……”(表示過去的愿望)
[例句]
i''d rather you posted the letter right now. 我想讓你現(xiàn)在去寄信。
i''d rather you were not a celebrated actor. in that case， we could spend more time together.
我到情愿你不是個知名演員，這樣我們可以有更多的時間在一起。
i''d rather that i hadn''t seen her yesterday. 我情愿昨天沒有看到她。
句型2
as if/though+主語+did/had done…好像……(表示現(xiàn)在或?qū)淼那闆r用過去時;表示過去的情況用過去完成時)[參考句型4]
[例句]
our head teacher treats us as if we were her own children， so all the students in our class think highly of her.
alan talked about rome as if he had been there. alan談起羅馬來就好像他去過那里似的。
句型3
“wish +賓語從句”，表示不大 可能實現(xiàn)的愿望
表示現(xiàn)在的愿望：主語+過去時;
表示過去的愿望：主語+had done;
表示將來的愿望：主語+would/could do
[例句]
how i wish we students had more free time to relax ourselves!我們學生多么希望有更多的自由時間放松自己!
i failed in the maths exam. how i wish i hadn''t wasted so much time playing!
what a pity you can''t go to the party. how i wish i could dance with you at the party!
句型4
it''s high/about time that somebody did (should do) (should通常不省略) …早就該……
[例句]
it''s time that you went to school.= it''s time that you should go to school.
it''s high time that we did something to improve our environment. 該是我們?yōu)榄h(huán)保做些事情了。
i think it''s high time that she made up her mind. 我想她該拿定主意了。
句型5
情態(tài)動詞+動詞不定式完成結(jié)構(gòu)的用法
could have done “本來可以……”(表示過去沒有實現(xiàn)的可能)。
might have done “本來可能……;本來應該或可以做某事”(實際沒有發(fā)生;含有輕微的責備語氣。
should/ought to have done “本來該做某事”(而實際未做)
should not/ought not to have done “本來不該做”(實際卻做過了，含有責備語氣)
needn''t have done “本來不必做”(但是已經(jīng)做過了)
would rather have done “當時寧愿做了某事”(實際沒有做過);否定式would rather not have done表達相反意思，兩者都有表示“后悔”之意。
句型6
as， though， although引導的讓步狀語從句。
[注意]although位于句首;though位于句首或句中;as位于句中=though。它的詞序是把句中強調(diào)的形容詞、副詞、動詞或名詞放在連詞前。[參考倒裝結(jié)構(gòu)]請注意下列句式的變化：
[例句]
1. although/though i''m young， i already know what career i want to follow.
→young as/though i am， i already know what career i want to follow.
我雖然年輕，但我已經(jīng)明白我應該追隨什么樣的事業(yè)。
2. although/though i respect him very much， i cannot agree with his idea.
→much as/though i respect him， i cannot agree with his idea. 雖然我很尊重他，但是我不同意他的觀點。
3. although/though he is a child， he knows a lot of chinese characters.
→child(省略冠詞)as/though he is， he knows a lot of chinese characters. 他雖然還是個孩子，卻認識了許多漢字。
4. although he tried， he couldn''t solve the problem.
→try as he might， he couldn''t solve the problem. 盡管他努力了，但是他沒有解決問題。
5. although it is raining， i''m going out for a walk.
→raining as it is， i''m going out for a walk. 天雖然在下雨，我還是要出去散步。
6. strange as it may seem， nobody was injured in the accident. 這次意外雖然顯得不可思議，卻沒有人受傷。
7. much as i would like to help， i have a lot to do. 雖然我很想幫助你，但是我有很多事要做。
8. object as you may， i will go. 縱使你反對，我也要去。
句型7
…before…特殊用法(1)“沒來得及……就……”
[例句]
the roof fell before he had time to dash into the room to save his baby.
他還沒有來得及沖進房間救孩子，房頂就塌了。
he ran off before i could stop him. 我還沒有來得及阻止，他已經(jīng)跑了。
to my great disappointment， my favorite singer left the concert before i could have a word with her.
讓我非常失望的是，我還沒有來得及和我最喜歡的歌手打招呼，她就已經(jīng)離開了。
句型8
…before…特殊用法(2)“過了多久才……”或“動作進行到什么程度才……”
[例句]
they walked about fifty miles to the west before they saw a village.
他們西行50英里才看到一個村莊。
the workers worked day and night about three days before everything returned to normal.
工人們連續(xù)工作3天才使一切恢復正常。
he almost knocked me down before he knew it.
他幾乎撞到我了才意識到。
we had walked a long way before we found some water.
我們走了很長的路才找到一點水。
five years went by before i knew it. 不知不覺，五年過去了。
句型9
it was + 時間段+before…?！斑^了多久才(怎么樣)……”
it was not long before…。“不久，就……”
it will (not) be +時間段+before…?！耙^多久(不久)……才……”(before從句謂語動詞要用一般時態(tài))
[例句]
it was not long before he sensed the danger of the position.不久他就意識到他處境的危險。
it was five days before he came back. 五天后他才回來。
it will be half a year before you graduate from the school. 再過半年你才能畢業(yè)。
it will not be long before they understand each other. 他們大概不久就會互相了解。
句型10
in case of…(+n.) “以防;萬一”;
in case that…“以防，萬一……”(謂語動詞用一般現(xiàn)在時態(tài)或should+動詞原形)
[例句]
in case of fire， what should we do?
please remind me about it in case i forget/should forget. 萬一我忘了，請?zhí)嵝盐摇?/p>
in case (that) john comes/should come， please tell him to wait.
please take your umbrella in case (that it rains/should rain)。帶上雨傘，以防下雨。
句型11
句型12
(1)、祈使句(表條件)+ or/or else/ otherwise + 主句(表結(jié)果)… “否則…，要不然…”
(2)、祈使句(表條件)+ and +主句(表結(jié)果)
[例句]
hurry up， or you''ll be late for class.
please call me up before you come， otherwise/or else/or we might be out.
你來之前打個電話，否則，我們也許會出去。
think it over and you will find the answer.
give him an inch and he will take a mile. 得寸進尺。
work hard and you will make progress every day. 好好學習，天天向上。
句型13
…until…。“直到……時候”;not…until…“直到……才……”
[例句]
you are to stay until/till your mother comes back. 你得等到你媽媽回來。
the meeting was put off until ten o''clock. 會議推遲到十點鐘。
the villagers didn''t realize how serious the pollution was until all the fish died in the river.
→not until all the fish died in the river did the villagers realize how serious the pollution was.(倒裝句)
等到湖里的魚全死光了，村民們才意識到污染是多么嚴重。
he didn''t go to bed until his mother came back.
→it was not until his mother came back that he went to bed.(強調(diào)句)
not until he failed in the exam did he realize that he had wasted much time playing computer games.
not until his son came back from school did he go to bed.
句型14
unless…“除非，如果不……”(=if…not)
[例句]
i shall go tomorrow unless it rains. 如果不下雨，我明天去。
-shall tom go and play football?
-not unless he has finished his homework. 除非他完成作業(yè)，否則不能出去。
i won''t go unless he comes to invite me himself.
除非他本人來邀請我，不然我是不會去的。
i won''t attend his birthday party unless invited (=unless i am invited)。除非被邀請，否則我不
去參加的生日晚會。
句型15
when引導的從句
when除了用來引導主語從句、賓語從句、時間狀語從句、表語從句和定語從句，還有一種用法值得關注，那就是when引導并列分句，意思是“這時突然;就在那時”，強調(diào)另一個動作的突然發(fā)生。常用于以下句型中：(1)、主語 + be doing… when…意思是“正在做某事這時……”;(2)、主語 + be about to do…when…;(3)、主語+be on the point of (doing) …when…意思是“正要去做某事這時……”
[例句]
one day chuck was on a flight across the pacific ocean when suddenly his plane crashed. 有一天，chuck正在太平洋上飛行，這時他的飛機突然爆炸了。
i don''t know when he will arrive. 我不曉得他什么時候到達。
i thought of the happy days when i was in beijing. 我想起了在北京時的那段快樂日子。
i believe the time will soon come when there will be no weapons in the world. 我相信世界上沒有武器的日子不久就會到來。
i was walking along the river when i heard a drowning boy cry for help. 我正在河邊行走，這時我突然聽到一個落水男孩求救。
i was about to leave when it began to rain. 我剛要離開，這時下雨了。
i had just finished my exam paper when the bell rang， announcing the class was over. 我剛做完作業(yè)，下課鈴響了。
i thought of the happy days when i was in france. 我想到了在法國時那段快樂日子。
i believe the time will soon come when there will be no weapons in the world. 我相信世界上沒有武器的日子不久就會來臨。
[比較]
i was walking along the street when i caught sight of a tailor''s shop. 我正在街上走，這時我看見一家裁縫店。
i was walking along the streets. just at the moment i caught sight of a tailor''s shop. 我在街上走。就在那時我看見一家裁縫店。
句型16
while引導的從句
while除了有“當/在……時候”的意思外(注意：引導的句子謂語動詞只能是延續(xù)性動詞!)，另外的兩層意思也是考查的重點：(1)while = although “盡管”、“雖然”，引導讓步狀語從句;(2)while的意思是“然而;可是”，常用來表達對比關系。
[例句]
while i admit that the problem is difficult， i don''t think that they can''t be solved.
盡管我承認這個問題很難，但是我并不認為無法解決。
while i admit his good points， i can see his shortcomings.
雖然我承認他的優(yōu)點，我也能看出他的缺點。
while i was angry with her， i didn''t lose my temper.
雖然我很生氣，但我當時沒有對她發(fā)脾氣。
while i understand your viewpoint， i don''t agree with you. 雖然我了解你的見解， 我還是不能同意(你)。
i earn only 120 dollars a week， while she earns 180 dollars. 我一星期只賺120美元，她卻賺180美元。
句型17
where…(地點從句)
[注意]where引導地點從句時，可以引導定語從句或是邏輯地點狀語從句。當它在定語從句中作地點狀語，指代地點時，這時可以用in which， on which， at which， to which， from which等結(jié)構(gòu)代替。但是它引導邏輯地點狀語從句時，沒有這樣用法。
[例句]
you should put the book where it was. 把書放回原處。
persistent people begin their success where others end in failure.
不屈不撓者從他人失敗的地方獲取成功。
where there is a will， there is a way. 有志者，事竟成。
where men are greedy， there is never peace. 人類貪欲不止，世界和平無望。
go where you should， keep on studying. 無論你到哪里，你都應該繼續(xù)學習。
that is the building where my father works. 那是我父親工作的大樓。
yesterday i went to the department store， where i met my teacher. 昨天我去百貨公司，就在那兒遇見了我的老師。
that''s where a change is needed. 那就是需要變更的地方。
we could see the runners very well from where we stood. 從我們所站的地方能很清楚地看到賽跑的選手。
you should let your children play where you can see them. 你應該讓小孩在你的視線所及的地方玩耍。
potatoes can be grown in places where it is too cold to grow rice.=potatoes can be grown in places where it is too cold to grow rice.(本句where引導定語從句)
有些地方太冷不能種水稻，但可以種馬鈴薯。
[請比較下面的句子結(jié)構(gòu)的不同]
potatoes can be grown where it is too cold to grow rice.(本句where引導地點狀語從句)
句型18
what引導的從句
what在英語中非常活躍，它可以用來引導主語從句、賓語從句、表語從句，但是不用來引導定語從句。在句子里可以充當主語、賓語、表語、定語，既可以指人，也可以指物。
[例句]
what is the population of the world? 世界的人口有多少?
what did you pay for this picture? 這幅畫你付了多少錢?
what is most important in life isn''t money. 人生最重要的并非是金錢。
will you show me what you bought? 可以把你所買的東西給我看一下嗎?
mary is no longer what she was ten years ago. mary已經(jīng)不是10年前的她了。
句型19
as引導的非限制性定語從句
在as引導的非限制性定語從句中，連接代詞as在句子中可以作主語、賓語或表語等，可以指人或物。其在定語從句中的位置比較靈活，即可以在句子前面，在句子中間或句子末尾。常用的結(jié)構(gòu)有：as we all know; as is well known to…; as is often the case; as is said/mentioned above; as has been said before; as i told you before; as is evident; as often happens; as can be seen; as is/was expected; as we expect; as i can remember等。
[注意1]as通常只指整個句子的內(nèi)容，不表示部分內(nèi)容。
[注意2]as引導的非限制性定語從句通常指“事先可以預料到的”“料想到的”，表達“好”的方面。
[注意3]as引導限制性定語從句時，常構(gòu)成the same…as…; such…as…; so/as …as…等結(jié)構(gòu)。在從句中既可以指人、物，也可以指整個句子。
[例句]
this is also part of your work， as i told you before. 我曾告訴過你，這也是你工作的一部分。
the man was a teacher， as was evident from his way of speaking. 從那人說話的樣子可明顯看出，他是個老師。
such ideas as he hits on are worthless. 像他那樣偶然想起的主意是無用的。
it''s the same story as i heard from her yesterday. 這故事跟我從她那兒聽到的相同。
he will marry as pretty a girl as he can find. 他要盡可能找漂亮的女孩結(jié)婚。
such people as have made great contributions to the world should be greatly respected.
那些對世界做出巨大貢獻的人們應該受到極大的尊重。
句型20
which引導的非限制性定語從句(也引導限制性定語從句)
which引導的非限制性定語從句既可以指整個句子內(nèi)容，也可以指句子的部分內(nèi)容(如單詞或詞組等)，在句子中可以作主語、賓語(動詞或介詞的)、定語等。注意它在句子中的位置：只能放在主句后，不能放在主句前。表達的內(nèi)容是“不好的”、“事先沒有預料到的”等時，常用which，只指物。
[例句]
yellowstone national park， which is in wyoming， is one of the most beautiful national parks in the world. 黃石國家公園位于懷俄明州，是世界上最美麗的國家公園之一。
the clock， which my grandfather bought， is still in good order. 這時鐘是我祖父買的，現(xiàn)在還走時很準。
the picture， for which he paid an enormous amount of money， was a forgery.
那幅畫他花了一大筆錢購買，卻是幅贗品。
she changed her mind again， which made us all angry. 她又改變了主意，這使我們大家都生氣了。
i lived three years in paris， during which time i learned french. 我在巴黎住了三年，在那期間我學了法語。
the weather turned out to be very good， which was more than we could expect. 天氣結(jié)果轉(zhuǎn)晴，
這是我們沒有預料到的。
句型21
（1）、疑問詞+ever whatever/whoever/whichever/whenever
wherever/however 用來引導讓步狀語從句。相當于no matter 和what/who/which/when/where/how 連用。
[例句]
whatever(=no matter what) may happen .we shall not lose hope.
無論發(fā)生什么事，我么都不能失去食物。
whatever reasons you (may) have. you shuold carry out a promise. 無論你有什么理由，你都應該遵守諾言。
whoever(=no matter who)comes .he will be warmly welcome.無論誰來，都會受到熱烈歡迎。
whenever(=no matter when) it happened. it was certainly not yesterday.
此事無論發(fā)生在何時，但絕不是昨天。
whenever you (may)call. you will find her sitting by the window.無論什么時候你去找她，你都會看到她坐在窗邊。
wherever(=no matter where) he went. he made friends with people.
whichever(=no matter which) of them you many choose .the quality will be the same.
他們當中不論你選哪一個，品質(zhì)都一樣。
however(=no matter how) hard i have tried .I can''t find the answer.
(2)、whatever/whoever/whichever/whomever等引導名詞性從句，這是不能用no matter +疑問詞替換。
[例句]
take whichever you want. 你要哪個就拿哪個。
we will do whatever we can to help him out.我們要盡力幫助他擺脫困境。
I''ll show you whatever you want to see.你想看什么我就給你看什么。
whoever did this job must be rewarded .無論誰做這件事都要得到報酬。
whoever walks around in such a heavy rain will catch a cold .任何人在這種大雨行走都會患感冒。
you may invite whomever (口語常用whoever代替）you like to the party .你可以邀請你喜歡的人來參加晚會。
take whatever magazines you want to read .你可以取閱任何你想讀的雜志。
倒裝結(jié)構(gòu)
句型22
半倒裝句
not only...，but also...（前一分句倒裝，后一分句不倒裝）
[例句]
not only was everything he had taken away from him . but also his german citizenship was taken away. 不僅他擁有的一切被拿走了，就連他的德國國籍也被取消了。
they suggested not only should we attend the party but also give a performance. 他們建議我們不僅要參加晚會，還要進行表演。
not only should we students study hard . we also should know how to enjoy ourselves in our sparetime . 我們學生不僅要學習好，還應該知道在課余時間怎樣享受生活。
句型23
半倒裝句（三）
neither ,nor 放在句首
[例句]
if you don''t go to see the movie . neither will i . 如果你不去看電影，我也不去。
--why didn''t you buy the jacket?
--neither was the price satisfactory . nor didi the color agree with me.
價格不能令人滿意，延伸也不太適合我。
I don''t like him. nor do i care about him . 我不喜歡他，也不關心他。
句型24
半倒裝句（四）
“only +狀語”放在句首，句子半倒裝。
[例句]
only when the war was over did he return to work.
直到戰(zhàn)爭結(jié)束他才回去工作。
only after you have reached eighteen can you join the army . 你只有到了18歲才能參軍。
only in that way will we be ready for the challenges and opportunities in life .
只有這樣，我們對生活中的機遇和挑戰(zhàn)才會有充分的準備。
only by changing the way we live will we be able to save the earth.
只有改變生活方式，我們才能拯救地球。
[注意]這種結(jié)構(gòu)的倒裝只在only 引導狀語的時候使用。only 引導主語的時候不要倒裝。
only in this way can you work out the problem.
你只有用這種方法才能做出題目。
only this way can help you work out the problem.
只有這種方法才能幫你做出題目。
句型25
半倒裝句（五）
so+be 動詞/助動詞/情態(tài)動詞等+主語“......也......”(表示肯定意思）
neither/nor/ +動詞/助動詞/情態(tài)動詞等+主語“......也......”(表示否定意思）
[例句]
she is interested in the story. so am i.
he enjoys playing the guitar. so do i .
I saw the film last night. so did he .
in the past 20 years . our society has changed a lot. so have our eating habits.
近20年來，我么的社會發(fā)生了很大的變化。我們的飲食習慣也變了。
tom didn''t attend the meeting last night ; nor did mary .
tom沒來參加昨晚的會議。mary 也沒來。
I have never been abroad . neither/nor has tom.
[比較1]
"so+主語+助動詞”表示肯定已有的觀點或事實
[例句]
-we have all worked hard these days.
-so we have .（的確如此）
I promised to help him. and so i did .(我確實幫助他了）
[比較2]
"主語+助動詞+so”表示按照別人的要求去做
[例句]
the wounded little boy asked me to lift him up and i did so.
the doctor asked charlie to breathe deeply and he did so.
句型26
so it is with somebody =it''s the same with somebody 前者怎么樣，后者也怎么樣。
注意：前面既有否定句又有肯定句，或有多個謂語動詞或助動詞難以選擇時，用此句型。
john likes english but he doesn''t like maths. so it is with me (so it is the same with me)
tom is a student and he studies hard . so it is with me.
-he was really manly enough to be responsible for what he had done. 他像一個男子漢，敢于讀自己的所作所為負責。
-so he was. and so it was with you .他的確如此，你當時也一樣。
虛擬語氣
句型27
(從句)if + were/did(動詞的過去式)，(主句)主語 + would/might/should/could + do(表示對現(xiàn)在情況的假設)
[例句]
if i were you， i would not be so proud. 如果我是你，我不會如此自負。
i don''t have a cellphone. if i had one， it would be convenient for me to get in touch with others.
if i were in your position， i would think better of it. 如果我處在你的位置，我會好好考慮它。
句型28
(從句)if + had done， (主句)主語+ would/might/should/could +have done(表示對過去或已經(jīng)發(fā)生事情的虛擬假設)
[例句]
what a pity it is that you didn''t attend the concert yesterday! if you had attended the concert， you would have seen the famous singer.
真遺憾昨天你沒有去聽音樂會。如果你去了，就能見到那位著名歌手。
anyone in his position would have done the same.
=if anyone had been in his position， he would have done the same. 任何處在他位置的人都會這樣做的。
句型29
(從句)if + were/did(動詞過去式)/were to do/should do，(主句)主語+ would/might/should/could + do(表示對將來的假設)
[例句]
if he should refuse (= if he were to refuse=if he refused)， it didn''t matter at all. 萬一他拒絕了，那也沒關系。
if you shouldn''t pass the college entrance examination， what would you do?
萬一高考不中，你該怎么辦?
句型30
虛擬語氣條件句的倒裝
在虛擬條件句中，如果出現(xiàn)有were， had， should，可以省去if， 把這些詞放在句子前面，構(gòu)成虛擬倒裝句。
[例句]
should he act like that again， he would be fined. 如果他還這樣做，就要受罰。
had the doctor come in time last night (=if the doctor had come in time last time)， the boy would have been saved. 昨天晚上要是醫(yī)生及時到達，小孩就會得救。
were i to go to the moon one day， i would see it with my own eyes.
had i enough money (= if i had enough money)， i would buy a larger house.
句型31
if only 引起的感嘆句，相當于“how I wish +賓語從句”，意思是“但愿...;要是...就好了”
[例句]
if only he could come ! 他要是能來就好了！
if only we students didn''t have so much homework!
要是沒有這么多的作用該多好
if only I hadn''t been so careless in the exam
我當時沒有那么擔心就好了
句型32
if it were not for......(=were it not for...)
if it hadn''t been for...(=had it not been for...)"要不是因為有......;如果不是......"
注意：
這種結(jié)構(gòu)中不能用否定結(jié)構(gòu)的縮寫形式，既不能用weren''t it for.....
[例句]
if it hadn''t been for(=had it not been for ) the determined captain. all the passengers on board wouldn''t have been saved.要不是船長一直堅強，船上的旅客就不會得救。
if it were not for your rich parents. you couldn''t live so easy a life .要不是你父母有錢，你的生活不會如此安逸。
if it were not for the expense .I would go abroad now.如果不是因為經(jīng)費問題，我現(xiàn)在就出國了。
句型33
"but for +名詞"和"but that +從句”，意思是“倘若不是；要不是
”接虛擬語氣
[例句]
but for air and water. nothing could live .(=if there were no air or water. nothing could live.)
如果沒有空氣和水，什么東西都難以生存。
but for the storm. we should have arrived earlier.= if it hadn''t been for the storm. we should have arrived earlier.如果不是暴風雨，我們早就到了。
but for you. wu couldn''t have carried out the plan.要不是你的話，我們無視實施那項計劃。
she coukd not have believed it but that she saw it. 若非親眼所見，她是不會相信的。
句型34
在動詞insist(1堅持做某事），order. command (2命名）. advise. suggest . propose (3建議做某事）.demand . require . request . ask（4要求）等表示建議、命令、要求的名詞性從句中謂語動詞要用虛擬語氣?；揪湫停褐髡Z+（should）+動詞原形。另外像 decide. desire. intend . recommend等也要接（should ）+動詞原形結(jié)構(gòu)。
[例句]
mother insists that tom (should) go to bed at nine o''clock.（賓語從句）
we suggested that the meeting (should) be held at once.
it was required that the crops (should ) be harvested at once.（主語從句）
the suggestion that he (should ) be invited was rejected(同位語從句）
that is their demand that their wages (should )be increased.（表語從句）
[注意1]
advice/suggestion/order/demand/proposal/request/desire/command/decision/requirement 等名詞引導的同位語從句或表語從句，謂語動詞用（should）+動詞原形。
[注意2]
it''s suggested/advised/demanded/ordered/requested/proposed/required/desired 等結(jié)構(gòu)后的主語從句中，謂語動詞用（should）+動詞原形。
[注意3]
suggest 意思是“表明、暗示說明”時，insist 意思是“堅持觀點、堅持看法”時，句子不能用虛擬語氣。
[例句]
he insisted that he was innocent =he insisted on his innocence.他堅持說自己是無辜的。
he insisited that had never done wrong .他堅持說沒有做錯事情。
are you suggesting that I''m not suited for the job?你是在暗示我不適合做那項工作？
the look on his face suggested that the teacher was quite satidfied with the result .臉上的表情說明老師多結(jié)果感到滿意
句型35
it is necessary/important/natural/impossible/essential（基本的）等結(jié)構(gòu)后的主語從句中要用虛擬語氣即主語+（should）+動詞原形。
[例句]
it''s necessary that tom take the exam first. tom 有必要先參加考試。
with the society developing very fast. it''s quite necessary/important that we (should) have a good knowledge of english and computer.隨著社會的快速發(fā)展，我們有必要精通英語和電腦
句型36
it''s strange /surprising /a pity / a shame /a surprise(that)...should do...should表示“竟然”
[例句]
it''s a pity that she should miss the chance.很遺憾她錯過了計劃。
it''s really surprising that a prophecy (預言）should coincide with the fact so exactly .令人驚訝的是，預言和事實經(jīng)驗如此巧合。
it''s strange that he shouldn''t pass the exam.奇怪的是他竟然沒有通過考試。
