动词不定式的句子成分PPT课件

1、动词不定式的句子成分动词不定式的句子成分The InfinitiveThe Infinitive一一. . 动词不定式的基本构成：动词不定式的基本构成：由不定式符号to 加动词原形构成,有时也可不带 to, 其否定式由not+不定式构成。二二. . 动词不定式的句法作用动词不定式的句法作用: :动词不定式可在句中作主语、宾语、宾语补足语、表语、定语、状语等。一、动词不定式作主语：一、动词不定式作主语： E.g: To play badminton is very interesting. 常用It作形式主语，后面的不定式短语为真正主语。Its very interesting to play

2、badminton. . It+It+谓语谓语+ to do+ to doIt takes sb. some time to do sth.E.g：It took me two hours to do my homework yesterday. Its +adj.+for/of sb. to do sth.Its +adj.+for/of sb. to do sth.Its important for us to learn English well. Its kind of you to help me.（是修饰不定式的是修饰不定式的）（是形容人的品质的是形容人的品质的 ）宾语表示主语所做

3、动作的承受者宾语表示主语所做动作的承受者. .一般跟在及物动词后面一般跟在及物动词后面. .二、动词不定式作宾语：二、动词不定式作宾语：接动词不定式作宾语常见的几个动词是： decide to do sth. ; try to do sth. ; want to do sth. ; plan to do sth. expect to do sth; hope to do sth.等 I plan to stay there for three days. I decide not to play computer games any more.三、动词不定式作宾语补足语（宾补）： ask sb

4、. to do sth.; tell sb. to do sth. ; want sb. to do sth. allow sb. to do sth.等 It allows people to get closer to them. Mother often tells me to study hard.四、动词不定式作后置定语： .Can you give me something to eat? （作后置定语） I have a lot of homework to do. Many wild animals dont have a safe place to live.五、动词不定式作

5、状语： I usually go home to have lunch. (作状语，表目的) Im sorry to hear your mother is ill. (作状语，表原因) Im excited to see pandas. (作状语，表原因) My job is _ (teach) you English. Bettys dream is _ (be) a scientist.My wish is _ (go) to university. Our plan is_ (see) the play in the teahouse.Our goal is _ (win) the final match总结：上述5个句