一般现在时动词及句型转换ppt课件

1、一般现在时 动词及句型转换,1,动词的种类：,1、情态动词,(can should may must等),2、连系动词,be(am,is,are)词为代表）,3、行为动词（实义动词） write；run；go；get.,4、助动词,（do 或者does）,2,句型转换,1、找。(动词1和2）,找出所给句子中有没有情态动词（can, may, must）或者be动词。若有情态动词（can, may, must）或者be动词，则直接提前构成一般疑问句，或在其后面加not构成否定句。,3,She can swim.,Can she swim? Yes,she can.No,she cant.,1.含

2、有情态动词的句子,一般疑问句,否定句,She can not/cant swim.,4,2.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 girl? Yes,she is. No,she isnt.,Are they students? Yes,they are. No,they arent.,5,2、

3、加。（动词3和4）,一般现在时，则根据需要添加助动词do或者does.,变一般疑问句则在句子前面加助动词do或者does. 变否定句则在主语后面加助动词dont或者doesnt.。,什么情况下用do，什么情况下用does呢？,6,3、还原,当使用了助动词以后，动词必须恢复原形！,He has some boats.,Do they have any boats?,They dont have any boats.,7,Jim has a sister.,Jim doesnt have a sister.,Does Jim have a sister?,3.含实义动词的句子,8,She gets

4、 up at 6:00 everyday.,She doesnt get up at 6:00 everyday.,Does she get up at 6:00 everyday?,Yes,she does. No,she doesnt.,9,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,10,句型练习,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

5、dont have an English book.,一般疑问句,否定句,Yes,I do. No,I dont.,回答,11,2. 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 doesnt,Mi

6、ss Wang doesnt have a big family.,一般疑问句,一般疑问句,否定句,否定句,12,4. 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

7、问句,否定句,一般疑问句,否定句,13,小结： 情态动词（can, may, must）或者be动词，则直接提前构成一般疑问句，或在其后面加not构成否定句。 实义动词的一般构成： 主语+动词原型。（非第三人称） （主语为第三人称单数）主语+动词三单形式。 肯定句：主语+动词原形 否定句：主语+dont+动词原形。 （主语为第三人称单数） 主语+doesnt + 动词原形。 一般疑问句：（主语为第三人称单数） Do +主语+动词原形 Does +主语+动词原形回答：Yes，主语+do/does. No，主语+ dont/doesnt. eg: I have a book. Do you have a book？ Yes,I do. No, I