動(dòng)詞不定式的句子成分.ppt

1、動(dòng)詞不定式 的句子成分,一、動(dòng)詞不定式作主語： eg. To play football is very interesting. 常用It作形式主語，后面的不定式短語是真正主語。 Its very interesting to play football. （1）It takes sb. some time to do sth. 如：It took me two hours to do my homework yesterday. （2）Its important for us to learn English well. （3）Its kind of you to help me.,二、動(dòng)

2、詞不定式作賓語： decide to do sth. ; try to do sth. ; want to do sth. ; plan to do sth. promise to do sth. ; forget to do sth.等 (1) I plan to stay there for three days. (2) I decide not to play computer games any more. 三、動(dòng)詞不定式作賓語補(bǔ)足語（賓補(bǔ)）： ask sb. to do sth.; tell sb. to do sth. ; want sb. to do sth. allow sb

3、. to do sth.等 如 （1）It allows people to get closer to them. （2）Mother often tells me to study hard.,賓語,賓語,賓補(bǔ),賓補(bǔ),總結(jié)：1.當(dāng)不定式直接跟在動(dòng)詞之后，是作賓語； 2.當(dāng)不定式之前有sb./sth.時(shí)，是作賓補(bǔ)。,四、動(dòng)詞不定式作后置定語： 如 (1) Can you give me something to eat? （作后置定語） (2) I have a lot of homework to do. (3) Many wild animals dont have a safe pla

4、ce to live. 五、動(dòng)詞不定式作狀語： 如 (1) I usually go home to have lunch. (作狀語，表目的) (2) Im sorry to hear your mother is ill. (作狀語，表原因) (3) Im excited to see pandas. (作狀語，表原因),15. 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

5、 the teahouse. Our goal(目標(biāo)) is _ (win) the final match 總結(jié)：上述5個(gè)句子都是_ 用在系動(dòng)詞be（是）之后做_。,to teach,to be,to go,to see,to win,表語,動(dòng)詞不定式,中考熱點(diǎn),1. The ice in the lake is as _ as it was before. A. thin B. thinner C. thinnest D. the thinnest 2. - How can I speak English_ you? - Youd better speak more. I think. Aa