高考英语非谓语动词
非谓语动词：现在分词 过去分词不定式
(一)不定式的基本形式 to do
to be done
to be doing
to have done
to have been done
He decided to study harder than before.
Little Jim should love to be taken to the theatre this evening.
When his father came in, he pretended to be reading.
I would love to have gone to the party last night but I had to work extra hours to finish a report. Do let your mother know all the truth. She appears to have been told everything.
The patient was warned not to eat oily food after the operation.
（二）V-ing 形式的基本形式
doing/being done
having done / having been done
The salesman scolded the girl caught stealing and let her go.
I can’t see/ bear being made fun of .
The visiting Minister expressed his satisfaction with the talks, adding that he had enjoyed his stay here. Not having received a replay, he decided to write again.
（三）过去分词的基本形式
规则动词+ed ; 不规则动词需记忆; 否定形式在前面加not
Don’t use words, expressions, or phrases known only to people with special knowledge.
（四）非谓语动词的功用：
1.作主语
不定式表示将来或某种特定的情况,而V-ing则通常表示一般情况. 它们作主语时,谓语多用蛋数.为了平衡句子,通常把不定式作主语改为it作形式主语,即:It’s+名词/形容词+for (of) sb.+ to do 结构.
1) Is _____ necessary to complete the design before Christmas Day?
A. this B. thatC. it D. he
2) _____ after supper is good for your health.
A. Walking B. To workC. Walked D. Having walked
3) It’s no good/ use doingIt is no use trying to persuade him to give up smoking. It’ s/useless/worthwhile doing …
It’s kind/wise/clever… of sb to do sth
It’s important/necessary/hard …for sb to do sth
2. 作表语
V-ing 形式通常表示主动或进行,过去分词则表示被动或完成.
I think the shop is closed at this time of day.
The story sounds interesting.
Seeing is believing.
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