专题01 情态动词练习-备战2021高考高中英语语法专项突破训练(解析版)

英语情态动词练习

1.— Where_____Mary have put the empty bottles?

—She _____them away.They must be somewhere.

A. can;mustn't have thrown

B. must;needn't have thrown

C. could;couldn't have thrown

D. should;might not have thrown

答案及解析：C

句意：——玛丽会把空瓶子放在哪里呢? ——她不可能把它们弄掉。他们一定在某个地方。could have done表示过去可能做过某事，couldn’t have done表示过去不可能做过某事。故选C。

2.My computer start in the morning. There must have been something wrong with it I guess.

A. shouldn't

B. wouldn't

C. needn't

D. mustn't

答案及解析：B

句意：我的电脑今早怎么也启动不了了。一定是出了什么问题。A. shou ldn’t不应该；B. wouldn’t不会；C. needn't不需要；D. mustn’t禁止，不允许。分析句子，后句提到“一定有什么东西坏了，所以电脑启动不了”。根据情态动词wouldn't表示过去的习惯或反复性的动作。故选B。

3.The law is equally applied to everyone. No one _______ be above it.

A. shall

B. must

C. may

D. need

答案及解析：A

句意：法律面前人人平等。没有人能凌驾于法律之上。A. shall用于

第二、第三人称，则含有命令、警告、允诺或威胁的语气。B. must （必须，一定）用于肯定句。C. may（可以，能够）表允许时一般不与第三人称连用。D. need (表示没有必要或询问是否有必要) 需要；故选A。

4.—It’s so hot and uncomfortable here! Why are your windows still closed?

—Oh, I’m not to blame. They ________ open.

A.shan’t

B. mustn’t

C. won’t

D. wouldn’t

答案及解析：C

句意：---这里又热又不舒服！你的窗户怎么还关着？---哦，不该责备我啊。窗户打不开了。shan’t= shall not意为“不可, 不应”；mustn’t=must not意为“不要”；wouldn't=would not 意为“不会，不愿意”。won’t=will not意为“不会, 不能”，will在这里表示能力、功能。例如：This auditorium will seat one thousand people. 这个礼堂能容纳一千人。这句话意思是“这扇窗不能打开”，故选C项。

5.—Many people in England love to give advice on weather reporting. —Yes, but I think the weather office’s computers _____ be more accurate.

A. can

B. need

C. ought to

D. might 答案及解析：C

句意：——很多英国人喜欢给天气预报提建议。——是的，但我认为气象办公室的计算机应该更准确一些。A. can可能；B. need需要；

C. ought to应该；

D. might可能。but一词表示后文是提出意见，意思是说“按情理应该……”是一种客观性推测应用ought to。故选C。6.—I feel washed out. Let's call it a day.

—Hold out a little longer. Now that we have come so far. We ______ as well go all the way.

A. can

B. must

C. should

D. may 答案及解析：D

句意：——感觉很累了，我们今天就到这儿吧。——再坚持一会，既然我们已经走了这么远，我们不妨一路走下去。A. can能够，可能；

B. must必须；

C. should应该；

D. may可能。此处考查短语may/might as well不妨，故选D项。

7.The principal in our school has recently passed a rule that students _______ wear school uniforms in our campus.

A. may

B. should

C. will

D. shall 答案及解析D

句意：我们学校的校长最近通过了一项规定，要求学生在校园里穿校服。分析句子可知，“that students _______ wear school uniforms in our campus.”是同位语从句对名词“rule”内容解释说明。当表示强制，用于法令、条约、规章中，意为“必须，应该”等时句子用情态动词shall。故选D。

8.If we had paid enough attention to the issue of the heavily-overloaded vehicles, the tragedy of the collapse of an overpass in Wuxi _____ avoided.

A. should

B. could be

C. should have been

D. could have been

答案及解析：D

句意：如果我们对超载车辆问题给予足够的重视，就可以避免无锡立交桥垮塌的悲剧。本句为“情态动词+have done”结构，结合句意表示“本来可以；本来能够”应用could have done结构，且主语与谓语动词avoid构成被动关系，故应用be done形式。故选D。

9.AI will surely be a feature of future life, but it _____ be used responsibly and in a proper way.

A. can

B. need

C. must

D. will 答案及解析：C