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1、1 1、情态动词、情态动词(can should may must等等)2 2、连系连系动词动词be(am,is,are)be(am,is,are)词为代表）词为代表）3 3、行为动词（实义动词）、行为动词（实义动词）writewrite；runrun；gogo；get.get.4 4、助动词、助动词（do do 或者或者doesdoes）1、找。、找。(动词动词1和和2） 找出所给句子中有没有找出所给句子中有没有情态动词情态动词（can, may, must）或者）或者be动词动词。若有。若有情态动词（情态动词（can, may, must）或者）或者be动动词，则词，则直接提前直接提前构成
2、构成一般疑问句一般疑问句，或，或在在其后其后面加面加not构成否定句构成否定句。She can swim.Can she swim?Yes,she can.No,she cant.1.含有情态动词的句子一般疑问句否定句She can not/cant swim.2.含连系动词be的句子I am a girl. I am not a girl.She is a girl . She isnt a girl.They are students. They are not students.Are you a girl? Yes,I am. No,I am not.(不可以缩写）Is she a g
3、irl? Yes,she is. No,she isnt.Are they students? Yes,they are. No,they arent.2、加。、加。（动词（动词3和和4）一般现在时，则根据需要一般现在时，则根据需要添加助动词添加助动词do或者或者does.变一般疑问句则在变一般疑问句则在句子前面句子前面加助动词加助动词do或者或者does.变否定句则在变否定句则在主语主语后面加助动词后面加助动词dont或者或者doesnt.。什么情况下用什么情况下用什么情况下用什么情况下用dodo，什么情况，什么情况，什么情况，什么情况下用下用下用下用doesdoes呢？呢？呢？呢？当使用了
4、助动词以后，动词当使用了助动词以后，动词必须恢复必须恢复原形！原形！He has some boats.Do they have any boats?They dont have any boats.Jim has a sister.Jim Jim doesntdoesnt havehave a sister. a sister.DoesDoes Jim Jim havehave a sister? a sister?3.含实义动词的句子含实义动词的句子She gets up at 6:00 everyday.She doesnt get up at 6:00 everyday.Does sh
5、e get up at 6:00 everyday?Yes,she does. No,she doesnt.He does homework .He doesnt do homework.Does he do homework?Yes,he do. No,he doesnt.4.含助动词的句子含助动词的句子将下列句子进行相应的转换：将下列句子进行相应的转换：1、I have an English book.Do you have an English book? I dont have an English book.一般疑问句一般疑问句否定句否定句Yes,I do. No,I dont.Ye
6、s,I do. No,I dont.回答回答回答回答2. The brothers go to school at 7:00.3.Miss Wang has a big family.Do the brothers go to school at 7:00?Yes,they do. No,they dont The brothers dont go to school at 7:00.Does Miss Wang have a big family?Yes,she does. No,she doesntMiss Wang doesnt have a big family.一般疑问句一般疑问句一
7、般疑问句一般疑问句否定句否定句否定句否定句4. The watch looks nice.5.Jims mother has some photos .Does the watch look nice?Yes, it does. No, it doesnt.The watch doesnt look nice.Does Jims mother have any photos?Yes,she does. No,she doesnt.Jims mother doesnt have any photos .一般疑问句一般疑问句否定句否定句一般疑问句一般疑问句否定句否定句小结小结：情态动词（情态动词（
8、情态动词（情态动词（can, may, mustcan, may, must）或者）或者）或者）或者bebe动词，则动词，则动词，则动词，则直接提前直接提前直接提前直接提前构成构成构成构成一般一般一般一般疑问句疑问句疑问句疑问句，或在，或在，或在，或在其后其后其后其后面加面加面加面加notnot构成否定句构成否定句构成否定句构成否定句。实义动词的一般实义动词的一般构成：构成： 主语主语+动词原型。动词原型。（非第三人称）（非第三人称）（主语为第三人称单数）（主语为第三人称单数）主语主语+动词三单形式。动词三单形式。肯定句：主语肯定句：主语+动词原形动词原形 否定句否定句：主语主语+dont+动
9、词原形动词原形。 （主语为第三人称单数）主语为第三人称单数） 主语主语+doesnt + 动词原形。动词原形。一般疑问句：（一般疑问句：（主语为第三人称单数）主语为第三人称单数） Do +主语主语+动词原形动词原形 Does +主主语语+动动词词原原形形回回答答：Yes，主主语语+do/does. No，主语，主语+ dont/doesnt.eg: I have a book.Do you have a book？ Yes,I do. No, I dont.She has a book.She doesnt have a book.Does she have a book?Yes,she does. No, she doesnt.谢谢观赏！
