实义动词的一般现在时PPT课件

1、实义动词的一般现在时 构成（肯定句）主语 + 实义动词 + 其他These boys like bananas. She likes bananas.The girl likes bananas.注意：当主语为第三人称单数或单数名词时，谓语动词要用第三人称单数形式实义动词的第三人称单数形式什么时候加s，什么时候加es呢？第1页/共19页 1、大多数动词在词尾直接加s， 如take takes look looks play plays bringbrings eateats buybuys comecomes 2、以辅音字母加y结尾的动词，要先将y变为i，再加es如：fly flies stu

2、dy studies26个字母中 除A E I O U五个元音字母外，其余21个都是辅音字母 3、以“s, x, ch, sh”结尾的，在词尾加“es” 如： teachteaches ; watchwatches 4、以“o”结尾的动词，加“es”，如： gogoes dodoes 5、特殊变化 havehas第2页/共19页用括号内动词的适当形式填空 1. He often _(have) dinner at home. 2. We _(watch) TV on Monday. 3. Nick _( go) to the store on Sunday. 4. They _(like) t

3、he World Cup? 5.Su Hai and Su Yang _(have) eight lessons every day. 6.She _ (watch) TV with her parents.haswatchgoeslikehavewatches第3页/共19页否定句的构成主语 + 助动词（do/does）+not +实义动词原形原形 + 其他These boys like playing basketball.The girl likes playing basketball.什么时候用助动词do，什么时候用助动词does呢？取决于主语The girl doesnt(does

4、 not) like playing baketball.These boys dont(do not) like playing basketball.第4页/共19页 当主语为第一人称（I,we），第二人称(you)，第三人称复数(they)，复数名词时，用助动词do构成否定 当主语为第三人称单数(he,she,it)，单数名词时，用助动词does构成否定注意：dont 和 doesnt 之后动词一定要用原形第5页/共19页1. I like red. (green)2. They like apples. (oranges)3. Tom watches TV.eg1: I have a

5、brother. I dont have a brother.eg2. He has lots of T-shirts. He doesnt have lots of T-shirts.I dont like green.They dont like oranges.Tom doesnt watch TV.10第6页/共19页 These boys dont go to school. Mary doesnt eat healthy food. Our store doesnt have many clothes. They dont play football at school.4.The

6、se boys go to school.5.Mary eats healthy food.6.Our store has many clothes.7.They play football at school.第7页/共19页实义动词一般疑问句的构成和它的肯定回答和否定回答第8页/共19页 问句： Do you want to see a movie？ 肯答:Yes，I do. 否答:No，I dont. 问句：Does he play basketball? 肯答：Yes,he does. 否答：No,he doesnt.助动词 + 主语 + 动词原形原形 + 其它？ 肯定回答用“Yes,

7、 主语+ do/does.”否定回答用“No, 主语+do/does not.”助动词也常用缩写形式，主要有dont，doesnt 第9页/共19页 Yes,he does. No,he doesnt. Yes,they do. No,they dont.特别注意：一定要注意动词的还原，因为时态与数的变化已经体现在助动词上了。 Does he want to go shopping?Do they play computer games?第10页/共19页将下列句子改为一般疑问句 They watch basketball games on TV. Do they wantch basketb

8、all games on TV? I have many new books. Do you have many new books? He eats eggs for breakfast. Does he eat eggs for breakfast?第11页/共19页含实义动词（或称为行为动词）一般疑问句的改写 秘诀：一加二改三问号一加：即在句首加助动词Do或Does；二改：1、把实义动词改为原形； 2、改换主语称谓（第一人称改为第二人称，I,weyou ）；三问号：句末的句号改为问号。第12页/共19页We have breakfast every morning. Do you hav

9、e breakfast every morning? He wants to see a movie. Does he want to see a movie?第13页/共19页按要求改写句子1. Lingling watches TV every evening.(改为否定句) Lingling doesnt watch TV every evening.2. She likes milk.(改为一般疑问句，并作肯定回答) Does she like milk? Yes,she does.3. I often play tennis after school. (改为一般疑问句，并作否定回答

10、) Do you often play tennis after school? No,I dont.第14页/共19页4. Gao Shans sister likes playing table tennis.（改为否定句和一般疑问句） Gao Shans sister doesnt like playing table tennis. Does Gao Shans sister like playing table tennis?5. I dont take these books to my brother.(改为肯定句) I take these books to my brothe

11、r.6.Mary doesnt have a story book.(改为肯定句) Mary has a story book.第15页/共19页特殊疑问句行为动词一般现在时的特殊疑问句的构成：特殊疑问词+do/does+主语+动词原形+？特殊疑问词（who“谁”, what“什么”, where“哪儿”, when“什么时候”, how“怎么样”)回答时，不能用yes或no来应答，而是怎样问就怎样答。第16页/共19页 What does he do with his computer? 他用他的电脑做什么？ When do you use your computer? 你什么时候用你的电脑？ Where do they come from? 他们来自哪里？ How do you print your document? 你怎样打印你的文件？第17页/共19页1.They go to the park in the moring .2.You can write the name in the box?3.She likes oranges .4.He often goes