动词不定式课件

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2020/8/9 Sunday,#,2024/11/17,动词不定式,2023/10/8动词不定式,1,动词不定式的结构,动词,不定式是,“,to+,动词原形,”,构成的一种非谓语动词,结构。,否定,形式是“,not,to do,”,结构。,动词,不定式,没有人称和数,的变化，在句中不能,单独,做,谓语。,动词,不定式,可在,句子中,作主,语、表语,、宾语、宾补、定语和状语,，但不能,单独作,谓语。,动词不定式的结构动词不定式是“to+动词原形”构成的一种非谓,2,动词不定式做主语,1,不定式置于句首。例如：,To teach,English,is,my happiness,To see,is to believe.,动词不定式做主语1不定式置于句首。例如：,3,2,用,it,做形式主语把真正的主语,不定式置于句末，常用于下列句式中,。,It+be+,名词,+to do sth.,Its our duty,to protect the water.,Its my turn,to play basketball.,It takes sb.+some time+to do sth.,It takes me five days,to finish this work.,2用it做形式主语把真正的主语不定式置于句末，常用于,4,it+be+,形容词,+for sb.+to do sth,It is important for us,to keep healthy,.,It+be+,形容词,+of sb.+to do sth,It is very kind of you,to help me.,it+be+形容词+for sb.+to do sth,5,不定式作宾语。,宾语,是动作、行为的对象，是动作的承受者，,可由,不定式来担任。,1,以下动词可以接带,to,的动词不定式做宾语。,如：,hope,，,wish,，,would like,want,love,，,help,，,learn,decide,，,prefer,，,agree,，,ask,，,choose,You,can choose,to write,I wish,to go to Beijing for my holiday.,I decided,to learn computer.,I would like,to fly kites this afternoon.,不定式作宾语。宾语是动作、行为的对象，是动作的承受者，可由,6,形式宾语,动词,make,，,think,，,find,，,feel,等词后面,可以用,it,做形式宾语来代替句子真正的宾语一,动词,不定式，其结构为：,make,think,find,feel,+it+adj,.,n,+to do sth,I find,it,easy,to understand the problem,I feel,it,very interesting,to study English with him,We all think,it,impolite,to speak loudly in public,形式宾语动词make，think，find，feel等词后面,7,不定式做表语,不定式,可放在,be,动词,之后，形成,表语，,不定式,做表语表示具体动作或将来的动作,。,My job is,to teach English.,My task,is,to find out the cost for the bus.,不定式做表语不定式可放在be动词之后，形成表语，不定式做表,8,四、不定式做定语,不定式,在句中做定语，置于被修饰的名词,或代词,之后。,I have some books,to read.,To read,是修饰前面的名词,books,的,定语,。,Do you,have anything,to tell him?,To tell him,在,这里是修饰前面的代词,anything,。,Would you please give me a room,to live in?,不定式在这里是修饰前面的名词,room,的。,四、不定式做定语不定式在句中做定语，置于被修饰的名词或代词,9,五、,不定式作宾语,朴足,语,一些,及物动词除要求接宾语外，有时还,需要有,宾语补足语。说明宾语的行为、状态、特征。,这时,意思才相对完整。常要求不定式做宾补的,动词有,：,allow,，,tell,，,ask,，,advise,，,invite,，,force(,强迫,),，,encourage,，,would,like,，,order,teach,，,want,，,wish,等。,He invited me,to go shopping with him,Miss Wang teaches us,to play the piano.,allow,sb.,(not),to,do,sth,tell,sb.,(not),to,do sth,ask,sb.,(not),to,do sth,advise,sb.,(not),to,do sth,invite,sb.,(not),to,do sth,force,sb.,(not),to,do sth,encourage,sb.,(not),to,do sth,Would like,sb,.,(not),to do,sth,order,sb.,(not),to,do sth,teach,sb.,(not),to,do,sth,want,sb,.,(not),to do sth,wish,sb.,(not),to,do,sth,五、不定式作宾语朴足语一些及物动词除要求接宾语外，有时还需要,10,在主动语态中，感官动词和使役动词后接,不定式,做补语时，不带,to,。,常见的动词有：一感,feel,；二听,hear,listen to,；三让,make,let,have,；四看,see,look,at,watch,observe,。,Michael makes Tom,work 10 hours every day.,I often see Lucy,play football on weekends.,make sb.do sth.,see sb.do sth.,在主动语态中，感官动词和使役动词后接不定式做补语时，不带to,11,六、不定式做状语,1,做目的,状语,to,do,in order to do,表示“为了，为”在句中作目的状语,。,I went there,to(in order to)see what will,happen,He,worked very hard,to change his life,I get up early,to catch the early bus.,六、不定式做状语1做目的状语,12,2,做原因,状语,其,结构为,sb,.,+be+adj,.,+to do,sth,They are,very happy,to come to my party,We were,very,excited,to hear the news.,I am sorry,to hear that.,2做原因状语其结构为sb.+be+adj.+to do s,13,3,做结果状语,当,一个句子中有,too,或,enough,时，,(,tooto,；,enough to,结构,中,),，常用不定式来做结果状语,。,Tom is too young,to go to school.,Tom is not old enough,to go to school.,She,is too young,to do the work,=,She isnt old enough,to do the work,3做结果状语当一个句子中有too或enough时，(to,14,找出,Unit6 Topic 1,含,不定式的句子,I have some exciting news,to tell you.,It will take us a few days,to get there by bike.,Its too far to cycle.,You need to find the cost for the bus.,Id love to go by plane.,Well decide on the best way to travel on our field trip.,定语,主语,结果状语,宾语,宾语,定语,找出Unit6 Topic 1含不定式的句子I have s,15,I want to book some rooms.,Its common to raise money in Canadian and American schools.,It costs each student one dollar to buy a ticket for the draw.,The student can use the headmasters cellphone to call home.,I have great news to tell you.,宾语,主语,主语,宾语补足语,定语,I want to book some rooms.宾语主语,16,Spring is the best time to climb Mount Tai.,There are many interesting places to visit there.,So we decided to take the train.,I also called to book some rooms.,So Michael advised us to raise money.,定语,定语,宾语,宾语,宾语补足语,Spring is the best time to cli,17,