文档介绍：小结
非谓语动词使用条件
一个句子当中,已经存在一个主句(谓语动词),又没有连词的情况下, 还有别的动词出现时,这些动词就充当了非谓语动词。
他过马路的时候被一辆自行车撞到了。(knock down)
When he was crossing the road, he was knocked down by a bike.
Crossing the road, he was knocked down by a bike.
v.-ing 形式的时态和语态
否定形式 not doing
动名词做主语
-ing形式做主语,谓语动词用单数。
Learning new words is very important for me.
学****新单词对我来说非常重要。
Talking is easier than doing.
说比做容易。
Going to bed early and getting up early is considered to be a good habit.
,而动名词或动名词短语是真正主语后置,名词或形容词在句中做表语。
常见的做表语的有:no use, no good, fun, a waste of time,worthwhile 等。
. Is it worthwhile quarrelling with her?
It was no use sending him to a hospital.
送他到医院没有用。
It's a waste of time arguing with him about it.
和他争论这件事是浪费时间。
“There be no+动词-ing形式”中做主语。
There is no knowing when this might happen again.
没法预料这样的事情什么时候会再发生。
There isn't any telling about what they will do.
他们打算干什么无人知晓。
There is no joking about such matter.
这种事开不得玩笑.
注意:There is/was no use/good doing...
做...无用/没有好处
There is/was no point doing...做...没有意义
There is no need to do... 做...没有必要
动名词做宾语
:
suggest,finish,avoid,escape, can't help(禁不住),mind(介意),enjoy,consider,insist, allow, risk, practise,miss,excuse,advise,keep,give up等。
1有些动词只接ing作宾语,常见的有:
enjoy consider 、escape 、 avoid
stop 、give up 、 object to 、 risk
admit 、 understand 、be worth
mind 、 imagine 、 delay、 put off
require 、 finish 、 look forward to
suggest 、 keep on 、 practise
can’t help 、 excuse 、 insist on
go on 、 appreciate 、 eed in
喜欢考虑不逃避
停止放弃不冒险
承认理解很值得
反对想象莫推延
要求完成是期望
建议继续勤操纵
不禁原谅要坚持
继续欣赏便成功
常用的这类介词短语有:instead of,look forward to,object to,think of,dream of,hear of,feel like,eed in,be good at,spend...in...,devote...to... , pay attention to, insist on, stick to, be used to, have difficulty/trouble(+in)+doing, be busy(in)+doing,等。
. We are looking forward ing to China.
我们期待着来中国。
,need和require这三个词后接动名词的主动形式,具有被动含义。
His clothes needed mending(to be mended).
他的衣服需要缝补。
These young trees will require