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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-datedo-does的用法和练习题助动词包括do,does。do,does的用法do用于当主语是第一人称I,第二人称you及复数时(复数包括we,they,these,those及两个以上的人或者事物。does用于当主语是第三人称单数时(第三人称包括she,he,it,this,that,单独的事物或者人名等)。含有实义动词的句型结构变换一、肯定陈述句1当主语是I,you及
2、复数时,谓语动词用原型。 Eg.Iknowit.(Eg.表示例如的意思) Theyhavetwovolleyballs. TinaandTomlikeicecream.2. 当主语是第三人称单数时(第三人称包括she,he,it,this,that,单独的事物或者 人名等)。谓语动词要变为第三人称单数形式。特别要注意havehasEg.Shehasasetofkeys. Heknowsmyname. Tomneedsacomputergame.二、肯定陈述句变换成否定陈述句1当主语是I,you及复数时,在谓语动词前加donotdont Eg.Idontknowit.Theydonthavetw
3、ovolleyballs. TinaandTomdontlikeicecream.2.当主语是第三人称单数时,在谓语动词前加doesnot=doesnt,谓语动词打回原型Eg.Shedoesnthaveasetofkeys. Hedoesntknowmyname.Tomdoesntneedacomputergame.三、 肯定陈述句变换成一般疑问句采用“一加二变三问号”。 一加:l当主语是I,you及复数时,在句子开头加do;l当主语是第三人称单数时(第三人称包括she,he,it,this,that,单独的事物或者人名等),在句子开头加does; 二变:l变大小写;l第一人称变为第二人称(I
4、/we变为you,my/our变为your);l当主语是第三人称单数时,谓语动词要打回原型。三问号: 在句末加问号。肯定回答;Yes,主语+do/does.否定回答:No,主语+dont/doesnt.(主语要用相应的人称代词主格)Eg.Doyouknowit? Yes,Ido./No,Idont.Dotheyhavetwovolleyballs? Yes,theydo./No,theydont.Do Tinaand Tomlikeicecream? Yes,theydo. / No,theydont.Doesshehaveasetofkeys? Yes,shedoes./No,shedoes
5、nt.Doesheknowyourname? Yes,hedoes./No,hedoesnt.四、肯定陈述句变换成特殊疑问句(对画线部分提问)特殊疑问词+一般疑问句?(去掉画线部分)Eg.Theyhavetwovolleyballs.-Whatdotheyhave? Heknowsmyname.-Whatdoesheknow?Exercise1 :把下列句子变成否定句,一般疑问句并做出肯否定回答,并对划线部分提问。1. Iknowtheanswer.否定句:I (know)theanswer.一般疑问句: you (know)heanswer?回答: ,I .否定回答: , I .对划线部分提
6、问:2Heplayssoccereveryday.否定句:He (play)soccereveryday.一般疑问句: he (play)soccereveryday?肯定回答: , He .否定回答: , He .3.Thebooksareontheteachersdesk.否定句:Thebooks (be) ontheteachersdesk对划线部分提问: are the books?Exercise21.I go to Beijin(一般疑问句) _ _ _ to Beijin?2.We can see some birds.(一般疑问句)_ _ see _any_ birds?(an
7、y用在疑问句中,而some用在陈述句中)3.He likes apples.(一般疑问句)_ he _ apples?4.Here are some bananas on the teachers desk.(一般疑问句)_ _ _ flowers on the teachers desk?5.There are some apples on the tree.(否定句) There _ _ _any_ apples on the tree.(any用在疑问句中,而some用在陈述句中)6 he is very old.(否定句) he _ very old.7. It is green.(否定句) _ _ green. 8.I have some hot dogs.热狗(一般疑问句)_ _you_ _ _any_ _hot_ dogs ?.11.My pencils are in the pencil-box.(对划线部分提问)_ _ your pencils-