标签:
教育 |
典型例题
1) Tell him ___ the window.
A. to shut not B. not to shut C. to not shut D. not shut
答案:B。 tell sb to do sth 的否定形式为tell sb not to do sth.
2) She pretended ___ me when I passed by.
A. not to see B. not seeing C. to not see D. having not seen
答案:A。 pretend 后应接不定式。其否定形式为pretend not to do sth.。
3) Mrs. Smith warned her daughter ___ after drinking.
A. never to drive B. to never driver C. never driving D. never drive
答案:A。warn sb to do sth. 的否定形式为warn sb not to do sth. 此处用的是否定词never.
4) The boy wanted to ride his bicycle in the street,but his mother told him ____.
A. not to B. not to do C. not do
it
答案:A。not to 为not to do it 的省略形式。可以只用to这个词,而不必重复整个不定式词组。及物动词do后应有名词、代词等,否则不对,因此B,D不对。
5) The patient was warned ___ oily food after the operation.
A. to eat no B. eating not C. not to eat D. not eating
答案:C。warn要求后用不定式,此处为不定式的被动,否定形式为be warned not to do。不定式的特殊句型too…to…
1) too…to 太…以至于…
He is too excited to speak. 他太激动了,说不出话来。
---- Can I help you ? 需要我帮忙吗?
---- Well, I'm afraid the box is too heavy for you to carry it, but thank you all the same.
不用了。这箱子太重,恐怕你搬不动。谢谢您。
2) 如在too前有否定词,则整个句子用否定词表达肯定, too 后那个词表达一种委婉含义,意 为"不太"。
It's never too late to mend. (谚语) 改过不嫌晚。
3) 当too 前面有only, all, but时,意思是:非常… 等于very。
I'm only too pleased to be able to help you. 我非常高兴能帮助你。
He was but too eager to get home. 他非常想回家。
(二)
1.
结构:doing
2. 后面直接跟动名词做宾语的动词:
admit, avoid, advise, appreciate, allow, consider, dislike, enjoy, encourage, escape, finish, forbid, imagine, mind, miss, keep, practise, permit, suggest,
He tried to avoid meeting her.
It’s necessary for us to practise speaking and listening more.
Can you imagine her marrying such an ordinary man?
动词短语:
to:
from:
of:
in:
on:
up:
off:
at:
It’s no use/good doing
3. 动名词的复合结构:物主代词/名词所有格/宾格+ doing
His being late astonished the whole class.