教学目标l1.记住动名词做主语和宾语的基 本用法l2.记住动名词的不同形式l3.能灵活使用动名词的知识解题观察下列句子，他们的共同点是什么？lSince then, finding ways to grow more rice has been his life goal.lJust dreaming for things, however, costs nothing.lSpending money on himself or leading a comfortable life also means very little to him.lOver the past half century, using chemical fertilizers has become very common in farming lIt is no use arguing with him about such a matter. 动名词作主语第一部分 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.Playing with fireReadingFinding a job动名词直接置于句首主语的位置上。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 doingIt 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）arguing aboutwaiting for himreading a good novel.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 1)这种事开不得玩笑。 There is _ about such matter. 2)无法知道他什么时候离开。 There was _ when he would leave. 注意：There is no need to do sth 干 没必要，在此句式中to do 不可换为 doing. 没有必要告诉她。There is no need to tell her.no jokingno knowing_(play)with fire is dangerous.Be careful! _(play)with fire will be dangerous.to do or v-ing?PlayingTo play_(swim)is good for our health._(swim)in this river is not allowedSwimmingTo swim表示一般或抽象的多次行为具体的或一次性的动作第二部分：动名词作宾语 观察下列句子： 1.Yuan longping enjoys listening to music ,swimming and reading. 2.He doest care about being famous. 3.They focus on keeping their soil rich and free of disease. 4.Organic farmers prefer using natural waste from animals as fertilizer.(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、动名词作动词宾语(一).只能接动名词作宾语的动词avoid consider enjoy keep finish suggest dislike delay escape imagine mind miss practise lead to focus on be fond of give up cannot stand get used to be worth pay attention to be good at devote to dream of feel like insist on look forward to ，常跟动词ing作宾语的动词歌诀:避免错过少延期建议完成多练习喜欢想象禁不住承认否定与嫉妒逃避冒险莫原谅忍受保持不介意avoid ,miss,postphoneadvise,finish,practiseenjoy,imagine,cant helpadmit,deny,envyescape,risk.excusestand,keep,mind注意和跟动词不定式的词的区分 决心学会有希 望 同意计划莫假 装 忘记拒绝会失 败 准备设法来帮 忙 提供请求负担 起 记得阻止理应 当 以上后跟不定 式 劝君牢记永不 忘decide learn wish hopeagree plan pretendforget refuse failprepare manage helpoffer beg affordremember stop be supposed 即学活用： 1.I often practise (speak) English. 2.I cant avoid (go)there with him. 3.He decided (experiment) with scientific methods of farming. 4.Tom looked forward to the film this weekend.speakinggoingseeingto experiment(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）1.一些表示喜好或开始动作的动词 like,love,hate, prefer ,intend ,begin, start continue等，1）I started (work)here two years ago.2）I intended a poem in English.(write)3）They prefer (spend) their summer vacation in the country.to work /workingto write /writingto spend/spending2. need/want/require/deserve doing sth. =need/want/require/deserve to be done. 4 ) The bike requires (repair)The bike requires .5 ) My hair needs (cut)My hair needs . repairing to be repairedcuttingto be cutforget, go on, mean, regret, remember, stop, try, be used to, cant help (三) 有些动词既可后接动名词也可接不定式 作宾语。（有区别）第一类 ：forget, regret, remember后跟动名词，表示已经发生的动作；后跟不定式表示将要发生的动作。 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 cant stay here any longer(say)writingto callseeingto cheatto writeto say接着做另一件事继续做原来做的事第二类：意义不同go on doing go on to domean doing mean to do意味着要做某事 想要做某事 stop doing stop to do停止做某事 停下来去做某事 try to do try doing be used to do be used to doing cant help to do cant hep doing努力，企图做某事试着做某事被用于做某事不能帮忙做某事忍不住做某事习惯于做某事1.He felt tired and stopped .(have a rest) 2. No one answered at the front door.Lets try _at the back door.(knock)3.I didnt to mean _your feeling.(hurt)4.I cant help _(clean)the room.For I am too busy.5.I am used to _ early.(get up)6.We have finished Part 1.Lets go on _Part2(learn)to have a restknockingto hurtto cleanto learngetting up二、动名词作介词宾语1.在含有介词的动词短语之后：2.在单个介词之后：be interested in, be fond of, think