不定式练习题答案讲解(3页).doc

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1、-不定式练习题答案讲解-第 3 页1. Little Jim should love _ to the theatre this evening. A. to take B. to be taken C. to bring D. to be brought 2. Why not _ going by boat for a change? A. trying B. tried C. to try D. try 3. Charles Babbage is generally considered _ the first computer. A. to invent B. having invent

2、ed C. to have invented D. inventing 4. Today will be a busy day because I have a lot of work _ . A. to do B. to be done C. done D. being done 5. I really dont know _ or to leave. A. if to stay B. if stay C. whether to stay D. whether stay 6. Ive worked with children before, so I know _ in my new job

3、. A. what expect B. to expect what C. expect what D. what to expect 7. _ late in the morning, Bob turned off the alarm. A. Sleeping B. Sleep C. To sleep D. Having slept 8. Please find a room for us _ this evening. A. to stay B. staying C. staying in D. to stay in 9. It is nice _ you to help me with

4、my English. A. of B. for C. with D. to 10. Hibernating animals (冬眠动物) have no choice but _ down to sleep in winter. A. lie B. lying C. to lie D. lay 11. I am determined to do what I can _ my English. A. improve B. raise C. to raise D. to improve 12. Tom kept quiet about the accident _ lose his job.

5、A. so not as to B. so as not to C. so as to not D. not so as to 13. The boys eyes need _ with great care. A. to examine B. examined C. to be examined D. to be examining 14. Was the work difficult? Not at all. It was easy _ . A. to do B. to be done C. doing D. to have done 15. Was he preparing for th

6、e exam yesterday evening? Yes, hes _ it next month. A. to give B. to take C. to make D. to do 参考答案与解析： 1. B。take带走(去)；bring带来。另外，主语Jim与动词take之间构成逻辑上的动宾关系。 2. D。考查固定句型“Why not do .?”。 3. C。不定式所表示的动作在谓语动词所表示的动作之前发生，故应使用不定式的完成式。 4. A。不定式作定语时，既可以与其所修饰的名词或代词构成逻辑上的主谓关系，也可以与其所修饰的名词或代词构成逻辑上的动宾关系。当不定式的逻辑主语是句

7、子的主语或谓语动词的宾语时，不定式应使用主动形式。 5. C。与不定式连用，并且要表达“是否”之意时，只能用whether，不能用if。 6. D。动词不定式作tell, show, know, decide, learn, teach, discuss等动词的宾语时，不定式前面可以带疑问代词、疑问副词或连词whether等，即：who, whom, what, which, when, where, why, how, whether等 + to do。 7. C。不定式作目的状语。 8. D。当不及物动词的不定式形式作定语，且该不定式与其所修饰的名词或代词构成逻辑上的动宾关系时，其后需使用

8、必要的介词。例如：a river to swim in, a person to laugh at, nothing to worry about, a chair to sit in, a hotel to stay at, a pen to write with等等。 9. A。不定式的逻辑主语既可以用for sb.也可以用of sb.来表示。当形容词强调人的品质、特点时，要用of sb.。常见的这类形容词有：kind, nice, good, bad, polite, rude, wrong, right, clever, careless等。 10. C。but用作介词时，后面可接带t

9、o或不带to的不定式。除了短语cant help but do, cant choose but do, do but do 之外，介词but后常跟带to的不定式。have no choice but to. 表示“除了之外毫无选择；只好” 11. D。考查不定式作目的状语。 12. B。so as to do或in order to do在句中作目的状语，其否定形式为so as not to do和in order not to do。 13. C。动词need后面的动词作其宾语，且与need的主语构成逻辑上的动宾关系时，need后面的动词可用doing或to be done两种形式。 14. A。动词不定式跟在某一形容词后作状语，且这个形容词用来说明主语的性质、品质、特征等时，不定式通常使用一般式，而不使用被动式。再如： The box is too heavy to carry. He finds English difficult to learn. 15. B。考查不定式作表语。“be+不定式”可用来表示将来。take an exam参加考试。