资源简介 (共11张PPT)动词不定式不被限定不被限制还没有发生的事to+动词原形(to do)(否定:not to do)不定式作表语作宾语作宾语补足语作主语1.2.3.4.作定语5.作状语6.在句子中可以充当除了谓语、系动词以外的成分To learn English is useful.It is useful to learn English.To swim in the river is dangerous.To see is to believe.It is difficult to finish.作主语主语在句子当中是动作的发出者My wish is to be a good student.My work is to clean the room every day.My dream is to travel around the word.作表语表语是用来描述主语是什么,怎么样I don’t know what to do.She wants to play the piano.I find it difficult to stop smoking.作宾语动作的承受者Father will not allow(允许)us to play outside.Jim told me not to wake up Kate.I want you to do homework作宾补对宾语的补充说明补动作补状态I have something to do.He has a lot of homework to do.I have a lot of homework to do.作定语修饰名词He worked hard to achieve(实现) his dream.I am glad to see you.I’m sorry to hear that.I come here to see you.作状语状语用来修饰动词表示行为发生的时间、地点、目的、方式、程度等How to solve this problem is very important.Could you tell me where to buy a pen?I don’t know what to do.特殊疑问词+不定式=名词how to dowhat to dowhich to dowhere to dowhen to doThe best plan is to leave here at once.I have nothing to worry about.I want to go home.It is so nice to hear your vioce.She came back to lock the door.I want to sleep.My work is to study hard.练习表语定语宾语主语状语宾语表语谢谢聆听 展开更多...... 收起↑ 资源预览