教育专题：微课_动词不定式.ppt

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1、动词不定式动词不定式威海十中威海十中 主讲人：杨蕾蕾主讲人：杨蕾蕾撰稿人：苗升撰稿人：苗升 杨静杨静动词不定式动词不定式 动词不定式在句子中用法灵活，动词不定式在句子中用法灵活，作用很大，是中考中重要的考查项作用很大，是中考中重要的考查项目之一，大家一定要学好吆！目之一，大家一定要学好吆！(一一)动词不定式的基本形式动词不定式的基本形式（二）动词不定式的特征（二）动词不定式的特征（三）动词不定式的运用（三）动词不定式的运用肯定式：肯定式：to to+动词原形动词原形否定式：否定式：not to+not to+动词原形动词原形(to(to是不定式符号，无意义，有时可以不带是不定式符号，无意义，有

2、时可以不带)on the way to school on the way to see a filmI want to borrow a dictionary.Turn to Page32.Could I speak to Mr.Smith,please?They began to read and write.He is used to getting up early.Help yourself to some fish.She asked me to speak a little louder.to不定式不定式 or 介词介词?不定式之前的不定式之前的to与介词与介词to不同。介词不同

3、。介词to之后之后要跟名词、代词或相当于名词的短语作宾语；而要跟名词、代词或相当于名词的短语作宾语；而不定式不定式to之后必须跟动词原形。之后必须跟动词原形。介词介词to:to+to:to+名词名词/代词代词/动名词动名词不定式不定式to:to+to:to+动词原形动词原形动词不定式是一种非谓语动词的形式，它没有人称动词不定式是一种非谓语动词的形式，它没有人称和数的变化。动词不定式和其后面的名词等构成不和数的变化。动词不定式和其后面的名词等构成不定式短语。定式短语。动动词词不不定定式式的的用用法法1.作主语作主语2.作宾语作宾语3.作宾语补足语作宾语补足语4.作状语作状语5.作表语作表语6.作

4、定语作定语7.和疑问词连用可以作句和疑问词连用可以作句子的主语、宾语、表语等子的主语、宾语、表语等作主语作主语 特殊句型特殊句型，to do to do 作主语，常放句尾，作主语，常放句尾，用用it it作形式主语作形式主语 1.1.It be adj./n.to do sth.Its good to see you.Its my job to teach you.To teach you is my job.2.2.It takes sb.some time to do sth.It takes me one hour to do my homework.1、It took them 1,0

5、00 yuan _this table.(buy)2、It is difficult _ math.(learn)3、_is to believe.(see)To seeto buyto learnI want to go home.作作宾语宾语常用动词不定式作宾语的动词有：常用动词不定式作宾语的动词有：want,hope,love,like,learn,prefer,decide,agree,stop,forget,begin,start,hate,remember,go on,try等等1、他想借用我的录音机。他想借用我的录音机。2、他们开始读。他们开始读。3、李琳喜欢玩什么？她喜欢踢足球

6、。李琳喜欢玩什么？她喜欢踢足球。He wants to borrow my radio.They began to read.What does Li Lin like to play?She likes to play soccer.不定式不定式to:to+动词原形动词原形stop to do stop doing停下来去做某事停下来去做某事 停止做某事停止做某事go on to do go on doing 继续做另一件事继续做另一件事 继续做原来在做的事继续做原来在做的事remember to do remember doing 记住要做某事记住要做某事 记得曾经做过某事记得曾经做过某事

7、forget to do forget doing 忘记要做某事忘记要做某事 忘记曾经做过某事忘记曾经做过某事V+to do sth.V+doing sth.begin/start/hate/like/love/plan/prefer意义相似意义相似意义不同意义不同forget/remember/go on/stop/try1、我记得以前见过你。、我记得以前见过你。2、离开时请记得关灯。、离开时请记得关灯。I remember seeing you.Remember to turn off the light when you leave.I tell him not to go there

8、by bus.作作宾语宾语补足语补足语常用动词不定式作宾语常用动词不定式作宾语补足语补足语的动词有：的动词有：tell,ask,want,order,teach,invite,wish,help,get等等注：若后面跟两个并列的不定式的话，后面一个注：若后面跟两个并列的不定式的话，后面一个的的to可以省略。可以省略。I help my mum to do the dishes and clean the windows.常见动词有：常见动词有：使役动词使役动词:let,make,have感官动词感官动词:see,watch,hear,feel,listen to作宾语补足语不带作宾语补足语不带

9、 to 的情况：的情况：一感一感 feel二听二听 hear,listen to三让三让 make,let,have四看四看 look at,see,watch,noticeLet me do it.若要变成被动语态，若要变成被动语态，to要加上：要加上：They are made to work for 16 hours a day by the boss.2.You must watch me carefully _(do)everything.do3.She was heard _(sing)in the next room.1.My mother asked me_(wash)clot

10、hes.to washto sing 小小 结结1.作主语作主语To teach you is my job.2.作宾语作宾语I want to go home.3.作宾语补足语作宾语补足语I tell him not to go there by bus.动词不定式的基本形式和动词不定式的基本形式和特征特征to+动词原形动词原形not to+动词原形动词原形1,Mother asked me _at home.(stay)2,Lets _a rest.(have)3,I saw him_a book.(drop)4，_(be)a doctor is hard.5,It is not easy

11、 _(learn)English well.6,The baby was made _(cry)by the boy.7,Mother taught me _and _.(read,write)8.I felt someone _(open)my door.9,He stopped _a look,but saw nothing.A.having B.to have C.have D.had10,Please tell him _on the wall.A.dont draw B.to not draw C.not to draw D.not drawto stayhavedropto readwriteTo beto learnto cryopenBC