conj. 做，有用，工作；
v. 做( do的第三人称单数 )；干；学习；研究
n. 雌鹿（或雌兔、雌羚羊等）( doe的名词复数 )；
助动词包括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
1． 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.
2. 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.
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?
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。
I know the answer.
否定句： I （know）the answer. 一般疑问句： you （know） he answer? 肯定回答： ,I .
否定回答： , I .
对划线部分提问：
2 He plays soccer every day.
否定句： He （play） soccer every day.
一般疑问句： he （play） soccer every day?
肯定回答： , He . 否定回答： , He .
3.The books are on the teachers’ desk.
否定句： The books (be) on the teachers’ desk 对划线部分提问： are the books?
Exercise2 1.I have been to Beijin(一般疑问句) ______ ______ __________ to Beijin? 2.We can see some birds.(一般疑问句)
______ ______ see __any_ birds?(any用在疑问句中，而some用在陈述句中) 3.He designs clothes.(一般疑问句)
______ he ________ clothes? 4.There were some flowers on the teachers’ desk.(一般疑问句)
______ ______ ______ flowers on the teachers’ desk? 5.There were 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.I think he is very old.(否定句) 7.Please colour it green.(否定句) I ______ think he ______ very old. ______ ______ colour it green.
8.You may have some hot dogs.(一般疑问句) _______ __I__ ______ __any_ __hot__ dog ?. 10.This sign means “No smoking”. What ______ this sign _________? 11.My pencils are in the pencil-box.(对划线部分提问) ______ ______ your pencils? 12.I got up at six yesterday(对划线部分提问)
______ ______ __________ you get up yesterday?
14.He is happy, because he is going to take a trip tomorrow.（就划线部分提问）
_______ __is__ _he_ __happy?
1. He does deserve some good luck after so much wretchedness.
经过这么多苦难之后，他应该行点好运了。
2. Does this dress make my legs look too stumpy?
这条裙子会使我的腿看上去又短又粗吗？
3. He sweeps up and does a few odds and ends.
他扫完地，又干了几样杂活儿。
4. "Does it sound like music?" — "I wouldn't go that far."
“这听上去像音乐吗？”——“我可不那样认为。”
5. This guy, Jack Smith, does he go by the name of Jackal?
这个叫杰克·史密斯的家伙是不是还有个名字叫杰凯尔？
6. She radiates an infectious enthusiasm for everything she does.
她做任何事情都充满一种极富感染力的热情。