dodoes的用法和练习题培训讲学.docx

精品文档 精品文档 精品文档 精品文档 助动词 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 当主语是 I， you 及复数时，谓语动词用原型。Eg. I know it. （Eg.表示例如的意思） They have two volleyballs. Tina and Tom like ice cream. 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。P98 特别要注意 have—has Eg. She has a set of keys. He knows my name. Tom needs a computer game. 二、肯定陈述句变换成否定陈述句 当主语是 I， you 及复数时，在谓语动词前加 do not = don’t Eg. I don’t know it. They don’t have two volleyballs. Tina and Tom don’t like ice cream. 当主语是第三人称单数时,在谓语动词前加 does not = doesn’t, 谓语动词打回原型 Eg. She doesn’t have a set of keys. He doesn’t know my name. Tom doesn’t need a computer game. 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： 当主语是 I， you 及复数时，在句子开头加 do; 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： 变大小写; 第一人称变为第二人称（I / we 变为 you, my / our 变为 your）； 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+don’t / doesn’t . (主语要用相应的人称代词主格) Eg. Do you know it? Yes, I do. / No, I don’t . Do they have two volleyballs? Yes, they do. / No, they don’t . Do Tina and Tom like ice cream? Yes, they do. / No, they don’t. Does she have a set of keys? Yes, she does. / No, she doesn’t. Does he know your name? Yes, he does. /No, he doesn’t. Does Tom need a computer game? Yes, he does. /No, he doesn’t. 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. They have two volleyballs What do they have? He knows my name What does he know? 练习 一．找朋友。 do does He I she we it you they Jack and Tom a dog 二．选词填空。 [Do/Does] he watch TV at night? Yes, he . [Do/Does] you go to school everyday? No, I . [Do/Does] Jack and Peter like apples? [Do/Does] Tina go swimming on Sunday? [Do/Does] they play football? Yes, they _ [do/does] [Do/Does] we have a good teacher? Yes, we _[do/does] [Do/Does] they jump rope ? No, they _ [Do/Does] your dog walk in the zoo?  [do not/does not]. [Do/Does] I have