含有情态动词的肯定句改为一般疑问句

2. You may go now.
May you go now? Yes, I may./No, I can’t/mustn’t.
3. I must go to school by bike.
Must you go to school bike？ Yes, I must/No, I needn’t.
3.He must get up early.
Must he get up early?
Yes, he must./No, he needn’t
思考：含有情态动词的肯定句改为一般疑问句的方法是什么？
Look and practice.
1. He can sing.
Can he sing?
Yes, he can./No, he can’t.
二. 助动词do的基本用法
– do有三种形式： – 原形 – 现在式第三人称单数 – 过去式
– do的基本用法：
• • 构成否定句 构成一般疑问句及回答
含实义动词的句子怎样变为否定句
1. I want to go to Beijing. I don’ t want to go to Beijing. 2. We live in Chongqing. We don’ t live in Chongqing. 3. Lucy and Lily know about China. Lucy and Lily don’ t know about China. 4. Her parents work in a school. Her parents don’ t work in a school.
1. They play games on the playground. They don’ t play games on the playground. 2. Lucy and Lily speak English. Lucy and Lily don’ t speak English. 3. My classmates get up at 7:00. My classmates don’ t get up at 7:00. 4. He walks to school. He doesn’t walk to school. 5. Jane goes to school by bike. Jane doesn’t go to school by bike. 6. Kangkang helps me study English. Kangkang doesn’t help me study English.
复习：
含有be动词的肯定句改为一般疑问句的方法
一找
二提
三抄
四变
找出be动词 be动词提前 其余照抄
句中人称I 变you my变your some变any .变？
含有情态动词的肯定句 如何改为一般疑问句？
什么是情态动词？
情态动词表示说话人（或句子的主语）对某一动 作或状态的一种感情和态度，本身具有各种意义， 但不能单独作谓语，只能和主要动词一起构成谓 语。
第三人称单数形式 ， 如果句子中的动词为_________________ 变否定句时,在动词 ____前加does’ _______________, t (does not) 原形 其余不变。 然后把动词变为______,
含实义动词的句子怎样变为一般疑问句
1. I want to go to Beijing. Do you want to go to Beijing. 2. We live in Chongqing. Do you live in Chongqing. 3. Lucy and Lily know about China. Do Lucy and Lily know about China. 4. Her parents work in a school. Do her parents work in a school.
doesn’ t like
含实义动词的句子怎样变一般疑问句
1.如果句子中的动词 为原形，变一般疑问句时 ，在句首加Do，其余不变 。 2.如果句子中的动词为第 三人称单数形式，变一般 疑问句时，在句首加 Does,然后把动词变为原 形，其余不变。 注：some --- any I/ we --- you my/our --- your
do
have want live like does has wants lives likes
Do… do…?
Do… have…? Do… want…? Do… live…? Do… like…? Does… do…? Does… have…? Does… want…?
Does… live…?
Does… like…?
Is your father a teacher?
思考:
Look aБайду номын сангаасd learn:
1.I usually have lunch at twelve. Do you usually have lunch at twelve? 2.They play football every day. Do they play football every day? 3.He gets up at six every day. Does he get up at six every day?
原形 ，变一般疑问 如果句子中的动词为______ Do 其余不变。 句时,在句首加_____,
含实义动词的句子怎样变为一般疑问句
1. He wants to go to Beijing. Does he want to go to Beijing. 2. Peter lives in Chongqing. Does Peter live in Chongqing. 3. Lucy knows about China. Does Lucy know about China. 4. Her mother works in a school. Does her mother work in a school.
小挑战：
1. I can draw. 2. There is a bird in the tree.
Can you draw? Is there a bird in the tree?
3. You are a nice girl.
4. My father is a teacher.
Are you a nice girl?
2.)has 的一般疑问句: a. He has a soccer ball .(变一般疑问句) Does he have a soccer ball ? b. She has a ping-pang bat . (变一般疑问句) Does she a have ping-pang bat ? c. Jane has a tennis racket . (变一般疑问句) Does Jane have a tennis racket ? 小结: has的一般疑问句:第一步，是在句首加上助动词 ”Does” ,第二 步，将句中的”has“变为”have“，注意大小写的转换，其他的不变. （句中的 “I”可以变为” you”)
注意：这三个句子都没有be动词和情态动 词，像这类句子，要借助do 和 does来帮 忙。记住do和does后面的动词保持原形 ，主语是第三人称单数的时候就用does, 其余的都用do.
通过以上学习可总结陈述句改为一般疑问句的方法有：
一找
二提
三抄
四变
五借
找出be动词、 把be动词、 情态动词提前 情态动词
原形 ，变否定句时, 如果句子中的动词为______ 动词 前加______________, 在_______ don’ t (do not) 其余不变。
含实义动词的句子怎样变为否定句
1. He wants to go to Beijing. He does’ t want to go to Beijing. 2. Peter lives in Chongqing. Peter does’ t live in Chongqing. 3. Lucy knows about China. Lucy does’ t know about China. 4. Her mother works in a school. Her mother does’ t work in a school.
have/has的一般疑问句:
1.)have 的一般疑问句: a. I have a book .(变一般疑问句) Do you have a book ? b. They have many books . (变一般疑问句) Do they have many books ? c. We have many baseballs . (变一般疑问句) Do you have many baseballs ? 小结: have的一般疑问句是在句首加上助动词 ”Do” ,注意大小写的转 换，其他的不变.（句中的 “I”可以变为” you”) 注意: “Do” 是加上去的，不是原句里面的。
把下面这三个含有情态动词的肯定句改为一般疑问句。
1. I can draw.
Can you draw?
Yes, I can./No, I can’t.
2.Students should study hard.
Should students study hard?
Yes, they should./No, they shouldn’t.
do
have want live like does has wants lives likes
don’ t do
don’ t have don’ t want don’ t live don’ t like doesn’ t do doesn’ t have doesn’ t want
doesn’ t live
1. They play games on the playground. Do they play games on the playground? Yes, they do. / No, they don’t. 2. Lucy and Lily speak English. Do Lucy and Lily speak English? Yes, they do. / No, they don’t. 3. My classmates get up at 7:00. Do your classmates get up at 7:00? Yes, they do. / No, they don’t.
常见的情态动词有哪些？
can may must will shall should
翻译句子。
1. 我会画画。 2. 学生应该努力学习。 3. 他必须每天早起。
I can draw.
Students should study hard.
He must get up early .
快点观察一下这三个句子有什么特点。
第三人称单数形式 ， 如果句子中的动词为_________________ 变否定句时,在句首加_______, Does 然后把动词 原形 其余不变。 变为______,
含实义动词的句子怎样变否定句
1.如果句子中的动词 为原形，变否定句时， 在动词前加don’ t (do not),其余不变。 2.如果句子中的动词为 第三人称单数形式，变 否定句时，在动词前加 does’ t (does not), 然后把动词变为原形， 其余不变。 注：some --- any
其余照抄
句中人称 I变you my变your some变any .变问号?
没有be动 词、情态 动词借do 和does来 帮忙
一、助动词（auxiliary verb)
• 在英语中，助动词本身没有意义，只 是帮助实义动词完成某些语法功能， 如构成否定句、疑问句、简略答语等 。 • 助动词主要有do，have等。
4. He walks to school. Does he walk to school? Yes, he does. / No, he doesn’ t. 5. Jane goes to school by bike. Does Jane go to school by bike? Yes, she does. / No, she doesn’ t. 6. Kangkang helps her study English. Does Kangkang help her study English? Yes, he does. / No, he doesn’ t.