动名词做主语及宾语的用法.ppt

Grammar;教学目标;观察下列句子，他们的共同点是什么？;第一部分 动名词做主语 往往表示经常性、习惯性的动作。 形式： 1.玩火危险 is dangerous. 2 (read)aloud is very important in learning English. 3. (找工作)is difficult these days. ;②用形式主语it，把真正的主语——动名词结构移置句尾。 牢记以下句型： It +be +a waste of time doing 做……是浪费时间的 It is/was no good/use doing 做……是没用处的 It is useless doing It is/was worth/worthwhile doing 做……是值得的 ;即学即练： 1.It is a waste of time it. (争论） 2.It is no use (等他） 3.It is worthwhile 。 (读一本好的小说） ;③在there be结构中作主语,这种结构的意思相当于“It is impossible to do… ” There is no doing……;__________(play)with fire is dangerous. Be careful! _______(play)with fire will be dangerous.;第二部分：动名词作宾语; (一) 有些动词只能后接动名词作宾语； (二) 有些动词既可后接动名词也可接不定式作宾语。（没有区别） (三) 有些动词既可后接动名词也可接不定式作宾语.（有区别）;(一).只能接动名词作宾语的动词;;注意和跟动词不定式的词的区分;即学活用： 1.I often practise (speak) English. 2.I can’t avoid (go)there with him. 3.He decided (experiment) with scientific methods of farming. 4.Tom looked forward to the film this weekend.;(二) 有些动词既可后接动名词也可接不定式 作宾语.（没大区别）;2. need/want/require/deserve doing sth.=need/want/require/deserve to be done.;forget, go on, mean, regret, remember, stop, try, be used to, can‘t help ;I forgot _______to her.我忘了曾经给她写过信。 I forgot __________to her about it.我忘了给她写信。 I remember________ （see） you somewhere in Beijing. Remember _______me tonight.(call) He regretted__________ in the exam.(cheat) I regret _______that we can’t stay here any longer(say);接着做另一件事;try to do try doing be used to do be used to doing can’t help to do can’t hep doing ;1.He felt tired and stopped .(have a rest) 2. No one answered at the front door.Let’s try _________at the back door.(knock) 3.I didn’t to mean ________your feeling.(hurt) 4.I can’t help __________(clean)the room.For I am too busy. 5.I am used to