一起來看看should這個詞的常考考點。
考點一 “應該、應當，倒……”之意
1. According to the air traffic rules， you ______ switch off your mobile phone before boarding.
A. may B. can
C. would D. should
2. ——I don’t care what people think.
——Well， you ______.
A. could B. would
C. should D. might
3. What do you mean， there are only ten tickets？ There
______ be twelve.
A. should B. would
C. will D. shall
【解析與答案】D； C； A should常表示現在或將來的責任或義務，表示“應該、應當”，相當于ought to， be supposed to。
考點二 shall也有“必須，應，可”之意
1.——I haven’t got the reference book yet， but I’ll have a test on the subject next month.
——Don’t worry. You _____ have it by Friday.
A. could B. shall
C. must D. may
2. ——What does the sign over there read？
——“No person ______ smoke or carry a lighted cigarette， cigar or pipe in this area.”
A. will B. may
C. shall D. must
3. One of our rules is that every student ______ wear school uniform while at school.
A. might B. could
C. shall D. will
【解析與答案】B； C； C shall也可作情態(tài)動詞，表示說話者的意圖、允許、警告、命令、以及說話人的決心等，用于陳述句的第二、第三人稱中，有“必須，應，可”之意。
考點三 “有可能、大概”之意
1. ——When shall we meet your cousin at the station？
——His plane took off 2 hours ago， and it ______ reach at 5 p.m.
A. should B. could
C. must D. can
2. He took his raincoat with him for fear that it ______.
A. rained B. should rain
C. would rain D. will rain
3. Here’s an English dictionary in case you ______ it.
A. should need B. needed
C. needing D. to need
【解析與答案】A； B； A should用在由so that， for fear that， lest， in case （that）引導的狀語從句中，有“大概、可能、會”之意，相當于could， might。
考點四 “竟會”、“居然”之意
1. Mr. Bush is on time for everything. How ______ it be that he was late for the opening ceremony？
A. need B. should
C. may D. must
2. ——You just think of yourself！You kept me waiting for at least three hours.
——I am sorry that you ______ think so.
A. would B. might
C. could D. should
3. I don’t see any reason why he ______ be happy.
A. wouldn’t B. needn’t
C. shouldn’t D. mustn’t
【解析與答案】B； D； C should用來表示說話人對某事不理解，感到意外、驚訝，尤其在以why， who， how等開頭的修辭疑問句或某些感嘆句中，常常表示“竟會”、“居然”的意思。
考點五 “萬一、如果”之意
1. _________ fired， your health care and other benefits will not be immediately cut off.
A. Would you be B. Should you be C. Could you be D. Might you be
2. This printer is of good quality. If it _______ break down within the first year， we would repair it at our expense.
A. would B. should
C. could D. might
3. There is a real possibility that these animals could be frightened， ______ a sudden loud noise.
A. being there B. should there be
C. there was D. there having been
【解析與答案】B； B； B should用在條件狀語從句中，表示語氣較強的假設，有“萬一、如果”的意思。
注意：也可將should置于從句之首，省略條件連詞if。
考點六 “本來（不）應該……、大概已經……”之意
1. ——I’m sorry. I ______ at you the other day.
——Forget it. I was a bit out of control myself.
A. shouldn’t shout B. shouldn’t have shouted
C. mustn’t shout D. mustn’t have shouted
2. ——Sorry， Professor Smith. I didn’t finish the assignment yesterday.
——Oh， you ______ have done it as yesterday was the deadline.
A. must B. mustn’t
C. should D. shouldn’t
3. I ______ have watched that movie—it’ll give me horrible dreams.
A. shouldn’t B. needn’t
C. couldn’t D. mustn’t
【解析與答案】B； C； A “should（shouldn’t） have + -ed分詞”結構，用來表示對過去情況的推測和判斷，表示“本來（不）應該……、大概已經……”。
考點七 用于虛擬語氣
1. Teachers recommend parents ______ their children under 12 to ride bicycles to school for safety.
A. not allow B. do not allow
C. mustn’t allow D. couldn’t allow
2. She insisted that she ______ not guilty， but we insisted that she ______ into prison.
A. was； be put B. be； was put
C. should be； was put D. was； should put
3. ——Did your father go to America？
——No， his doctor gave a suggestion that he ______ there.
A. is going B. not go
C. did not go D. to be doing
4. ——Don’t you think it necessary that he ______ to Miami but to New York？
——I agree， but the problem is ______ he has refused to.
A. will not be sent； that
B. not be sent； that
C. should not be sent； what
D. should not send； what
5. I advised not only ______ to the meeting but also give a speech there.
A. did he go B. his going
C. should he go D. he should go
6. It was strange that we ______ short of water in the country where it was always raining.
A. are B. be
C. should be D. both B and C
【解析與答案】should經常用于下列虛擬語氣的從句中：
1. 條件狀語從句：用在表示與將來事實相反，構成“If...should （do sth ...， ...would/ could/ might （do sth.） ...”的句式中。例如：If you should（或were to） tell a lie， you would be punished. 你要是撒謊的話，你會受懲罰的。
2. 賓語從句：用在表示“建議、要求、命令、決定、安排、計劃、主張”（suggest， propose， arrange， plan， decide， advise， order， demand， request， desire， insist）等動詞后面的從句中，這里的should可以省略。例如：The doctor ordered that she （should） stay in bed for another week. 醫(yī)生囑咐她再臥床休息一個星期。
3. 主語從句：用在“It is desired （suggested， requested， ordered， proposed， decided） + ...”的結構中，“It is/ was necessary/ important/ strange/ incredible + ...”的結構和“ It is a pity/ a shame/ no wonder + ...”的結構之后，由that引導的主語從句中，should有“驚奇、懷疑、惋惜、不滿、理應如此”等意思，should可以省略。例如：It’s strange that it should be so cold today. 奇怪，今天怎么這么冷。It is a great pity/ shame/ that he should be so conceited. 真遺憾，他竟會這樣自高自大。
4. 表語從句或同位語從句：用在suggestion， proposal， order， plan， advice， request， decision， requiry等名詞后面的從句中，should也可省略。例如：My decision is that we （should） do more eye exercises every day. 我的意見是我們每天應該多做眼保健操。
上面六道小題答案為A； A； B； B； C； D
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