[误] When he finished his homework, he went on playing the football.
[正] When he finished his homework, he went on to play football.
[析] go on to do something 是做完一件事紧跟着做另一件事。而go on doing something 是在做一件事的过程中被打断后接着再继续做这件事。
[误] He's busy to prepare his lessons.
[正] He's busy preparing his lessons.
[析] be busy 后加doing 而不能接不定式。
(三) 例题解析
1? Mr Zhang asked me ___ the words again.
A. read
B. reads
C. to read
D. reading
[答案] C.
[析] ask somebody to do something 要求某人作某事。
2? You ___ play on the road. It's dangerous.
A. mustn't
B. may
C. can
D. must
[答案] A.
[析] must 用于否定句表示禁止做某事。
3? Mr Brown ___ in Beijing since 1993.
A. work
B. works
C. worked
D. has worked
[答案] D.
[析] 句中有since引导的时间状语,因此句中要用完成时态。
4? I ___ a letter when my mother came in.
A. write
B. am writing
C. was writing
D. will write
[答案] C.
[析] 当母亲进来时是一个瞬时的动作,而写信是一个长动作,所以写信这个动作应用过去进行时态,表示在写信过程中发生的另一个短动作。
5? It's not an important party, you needn't ___ .
A. pay for it
B. wear it out
C. try it out
D. dress up for it
[答案] D. [析] pay for-为某物,某人付款,wear out-穿坏,磨破,tryout-选拔,挑选,而dress up-梳妆打扮。
6? Can I ___ a bike from him?
A. lend
B. return
C. give
D. borrow
[答案] D.
[析] borrow something from…为向某人某处借某物。而lend, return, give后面的介词应用to。
7? - Must I stay at home?
- No, you ___ .
A. mustn't
B. needn't
C. may not
D. can not
[答案] B.
[析] needn't 为"没有必要必须做某事",而mustn't为"禁止做",can not为"不能做"。根据题意是:你不一定待在家里。
8? - How long have you ___ here?
- About two months.
A. been
B. gone
C. come
D. arrived
[答案] A.
[析] have been here是个状态,可以与后面的长时间状语连接,而其他三个动词都是瞬间动词。
9? Stamps ___ by people for sending letters.
A. use
B. using
C. used
D. are used
[答案] D.
[析] 这里是被动语态,意为邮票被人们用来发信。
10? The radio says Tianjin will be ___ tomorrow.
A. rains
B. rain
C. rained
D. rainy
[答案] D.
[析] rainy为形容词作表语。
11? If you don't know this word, ___ in the dictionary.
A. look for it
B. look at it
C. look after it
D. look it up
[答案] D.
[析] look up 查字典,与look有关的词组有:
look about 四周环视
look after 照顾
look around 周围,四处看
look at 看
look back 回顾
look for 寻找
look forward to 期待
look out 当心
look like 看上去像
12? My father told me ___ play on the street.
A. not
B. to not
C. not to
D. did not
[答案] C.
[析] 不定式的否定式是not to do something.
13? There is going to ___ an English party this evening.
A. be
B. has
C. have
D. is
[答案] A.
[析] 这里是there be 无生命的"有"加助动词的句型,即there will be,而没有there have 的句型。
14? There ___ no bus stop here last year.
A. is
B. was
C. are
D. were
[答案] B.
[析] last year为去年,所以用过去时。而there be 句型的单复数要看be动词之后离之最近的名词是单数还是复数。如:There is a pen and two pencils on the desk.
15? Our school will hold a sports meeting if it ___ tomorrow.
A. isn't rain
B. rains
C. won't rain
D. doesn't rain
[答案] D.
[析] 在状语从句中应用一般时态来表示将来。
16? Bikes mustn't ___ everywhere.
A. be put
B. be putted
C. put
D. putting
[答案] A.
[析] 这里是被动语态。与put有关的词组如下:
put away 放好 put off 推迟 put on 穿上 put out 扑灭 put down 放下
17? Neither Li Lei nor Han Meimei ___ Harbin.
A. have been to
B. has been to
C. have gone to
D. has gone to
[答案] B.
[析] has been to 是去过某处。