1、Infinitives8B Unit 1 Helping those in need 深圳市光明中学深圳市光明中学 李瑞梅李瑞梅 制作制作November,2015不定式的结构：不定式的结构：注：注：to只是一个符号，起结构作用，无任何实际意义只是一个符号，起结构作用，无任何实际意义He plans to go to Hainan for a holiday.Cindy wanted to paint a picture of the park near her home.verbs+to+infinitivesdo(动词原形动词原形)He told me not to close the d
2、oor.不定式的句式：不定式的句式：He told me to close the door.not+to+do肯定式：肯定式：to do tell sb.to do sth.tell sb.not to do sth.否定式：否定式：不定式的特点：不定式的特点：She wanted to be a teacher.We decide to give some money to the poor.1)动词不定式在句子中不能做谓语动词不定式在句子中不能做谓语2)没有人称、数、时态的变化。没有人称、数、时态的变化。不定式的句法功能：不定式的句法功能：具有具有名词、名词、形容词和形容词和副词副词等的
3、功能等的功能,可在句可在句中用做中用做主语、宾语、表语、宾语补足语、主语、宾语、表语、宾语补足语、定语和状语。定语和状语。初中阶段主要掌握作宾语、宾语补足语初中阶段主要掌握作宾语、宾语补足语和目的状语的情况。和目的状语的情况。I would like to see your photos.Kevin planned to visit his uncle.类似词类似词:want,agree,hope,decide,learn,start,begin,love,like,hate等。等。特殊（一）：特殊（一）：like doing指经常性动作，指经常性动作，like to do指一次性的动作指一次
4、性的动作 I like swimming，but I dont like to swim now 我喜欢游泳我喜欢游泳,但我现在不想游。但我现在不想游。动词不定式作宾语动词不定式作宾语注意：注意：斜体的动词既可以斜体的动词既可以to do 也可以也可以doing,有细微差别有细微差别objects宾宾 语语特殊（二）：特殊（二）：stop,forget,remember,等词或短语后面可以接等词或短语后面可以接to do 与与doing,但意思但意思大不相同。大不相同。stop to do sth.:停下来去做另一件事停下来去做另一件事 stop doing：停止正在做的事情：停止正在做的事情
5、 forget to do:忘了去做某事忘了去做某事 forget doing sth.:忘记做过某事忘记做过某事When the teacher came in,the students stopped_；when he came out,the students stopped _(talk)talkingto talkLucy asked him to turn down the radio.露西让他关小收音机的音量。露西让他关小收音机的音量。用来说明宾语的情况，作宾语补足语。用来说明宾语的情况，作宾语补足语。动词不定式作宾语补足语动词不定式作宾语补足语Verbs+objects+to+
6、infinitivesObject complement常带不定式作宾补的动词：常带不定式作宾补的动词：warn,tell,allow,ask,order,get,invite,wish,want,encourage等等+sb.to do sth.notice listen to hear watch 五看五看 see look at observe三三使使 let make have 二听二听一感觉一感觉:feel+sb.do sth.（不带不带to）注：注：help既可以带既可以带to,也可以不带也可以不带to.用作目的状语，表示某一动作的目的。用作目的状语，表示某一动作的目的。I had
7、 to work hard to earn money.我不得不努力工作赚钱。我不得不努力工作赚钱。He stayed at home to finish his homework.他留在家完成作业。他留在家完成作业。动词不定式作目的状语动词不定式作目的状语目的状语目的状语:放在放在go,come,use,live,in order等词后面等词后面.I come to see you He runs fast in order to get there in time课堂检测1.We decide _(play)tennis.2.My healthy lifestyle helps me _
8、(get)good grades.3.He encourages us _(ask)questions in class.4.I learnt _ and write and do many other things.to get/getto askto playto read 5.Im really hungry.Can I stop _(eat)something?6.I asked him _(lend)me twenty pounds.7.I got up early _(practise)reading English.8.The patient was warned _(not eat)oily food after the operation.to eatto lendto practisenot to eat不定式的结构：不定式的结构：verbs+to+infinitiveverbs+to+infinitive句式：肯定及否定句式句式：肯定及否定句式特点：无人称、数、时态变化；不能作谓语特点：无人称、数、时态变化；不能作谓语句法功能：句法功能：宾语宾语 宾补宾补 状语状语summarysummary：Hi,relax yourself!
