非谓语动词 动词不定式泰山外国语学校 韩英华 (一)动词不定式构成形式 主动语态与被动语态一般式 to do to be done 进行式 to be doing to be being done 完成式 to have done to have been done (二)
在句中的功能:主语、宾语、表语、定语、状语、补语1
作主语(多用 it 来作形式宾语
另外,还要注意不定式作主语与祈使句的区别
To see once is better than to hear a hundred times
It is better to see once than to hear a hundred times
It is important for us to learn English 2
He offered to go with us
( 作及物动词的宾语 )2)
I don’t know what to do
(在 tell, know, show, understand, explain, teach, learn, discuss 等词后常用疑问词 (what, who, when, where, how…) +to do 的形势作宾语) 3)
They found it impossible to get everything ready in advance
( 当不定式作宾语而又带有补语时,这时要用it 作形势宾语 )4)
We could do nothing but wait
/ We have no choice but to wait ( 若介词 but 之前有实意动词 do 的任何一种形式, but 后用不带 to 的不定式,否则,则用带 to 的不定式 ) 3
作补语 watch, se