句子中除了谓语动词外，若还有动词，就要用非谓语形式，如：不定式，动名词，现在分词或过去分词。
I want to meet you. 不定式
Do you enjoy singing? 动名词
I saw him going into the room. 现在分词
The language spoken in England is English. 过去分词
1、动词不定式
a.用作定语。Do you want anything to eat?
b.用作宾语补足语。Ask him to come quickly.
注意：let后的不定式做宾语补足语时，要省去不定式符号to。
      I'll let him go.
      Let him come now.
可以这样用的动词有：make（使）,see（看见）,watch（观看）,hear（听见）,have（使）,
feel(觉得)。
c.用作状语。I went to choose a Christmas tree today.
d.和疑问词连用。I don't know where to go.
2、动名词
a.作主语
Fighting broke out between the South and the North.
南方与北方开战了。
b.作宾语　
动词后加动名词doing作宾语
V. + doing sth
admit 承认　appreciate 感激，赞赏　avoid 避免　  keep 继续 complete 完成　 consider 认为  delay 耽误  
deny 否认  detest 讨厌   endure 忍受　enjoy 喜欢  escape 逃脱　prevent阻止  fancy 想象　finish 完成　
imagine 想象 mind 介意  miss 想念　practise 训练  postpone 推迟 recall 回忆　resent 讨厌　resist 　face 面对　
resume 继续　risk 冒险   include 包括   stand 忍受　need 需要suggest 建议   understand 理解　forgive 宽恕　
举例：
Would you mind turning down your radio a little, please?
The squirrel was lucky that it just missed being caught.　　　
词组后接doing
admit to　 prefer…to be used to object to stick to　feel like
lead to　devote oneself to　 be busy look forward to(to为介词）
no good no use It's worth… as well as be tired of can't help  It's no use /good…　 be fond of　 be capable of　  be afraid of　be proud of　think of / about　hold off　put off　 keep on　 insist on　count on / upon set about　be successful in　good at　take up  give up　burst out　prevent … from…
c.作表语
His job is washing,cleaning and taking care of the children.

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