教案-一般疑问句
专项“小学英语中句子如何变一般疑问句?”
英语中疑问句可分为一般疑问句和特殊疑问句。今天我们重点研究一下句子变一般疑问句的方法。
一、什么是一般疑问句呢?
一般疑问句通常用来询问某事情或某情况是否属实,一般要用 yes 或 no 来回答,所以也有人这样给一般疑问句下定义——可以用 yes 或 no 来回答的疑问句就叫一般疑问句。如:
“Do you smoke?” “Yes, I do.” “你抽烟吗?”“是的。”
“Is it raining?” “No, it’s snowing. ”“在下雨吗?”“不,在下雪。”
二、一般句子(陈述句)是如何变成一般疑问句的?
为了便于学生理解,我们下面进行分类分析。(每一种类型先让孩子观察,试一试,看能否做出来?,然后再教师引导方法进行教授。)
(一) 当谓语动词为be时,也就是句子中有be 动词出现时,由于动词be根据不同的时态和人称可以有am, is, are, was, were等不同形式,此时要构成疑问,一律将动词be的适当形式移到句首。如:
(1) He is sleeping. 他在睡觉。
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→Is he sleeping? 他在睡觉吗?
(2)They were very busy. 他们很忙。
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→Were they very busy? 他们很忙吗?
(3)I am listening to music. 我在听音乐。
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Are you listening to music? 你在听音乐吗?
(4)There are some flowers in the vase. 花瓶里有一些花。 ________________________________________
Are there any flowers in the vase? 花瓶里有一些花吗?
(5)My mother is a doctor.我妈妈是一位医生。
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Is your mother a doctor? 你妈妈是一位医生吗?
注意如遇到原句有I/we要变you, my/our 要变your,some要变any, 句号变成问号(?) (让学生自己试着归纳出注意的地方)
及时练习:
1.There is a ruler on the desk.
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2.These cats are crying.
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3.I am a student.
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4.He was doing his housework .
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5. The students are cleaning some classrooms at school.
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6. There are some students in the park.
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7. My father is an English teacher.
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8.We are making kites for you under the tree.
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现在让学生自己再总结一下方法,使得学生对这种方法熟记于心。
(二)当谓语部分含有情态动词时,也就是句子中有can,may,will,would,should,must,could,might等出现时,我们是将情态动词移到句首。如:
(1)He can speak five languages. 他能讲五种语言。
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→Can he speak five languages? 他会讲五种语言吗?
(2)I would like some beef and tomatoes for lunch .我午饭想吃牛肉和西红柿。
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(3)Would you like some beef and tomatoes for lunch ?你午饭想吃牛肉和西红柿吗?
注意如遇到原句有I/we要变you, my/our 要变your,some要变any,再注意有can的句子,如果是向别人要东西时 some不变,would 句中,some 也不变, 句号变成问号(?) (让学生自己试着归纳出注意的地方)
及时练习:
1.We may go home now .
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2.I would like a cake. __________________________________
3. We can help our mother with housework. ______________________________________ 4.You can eat some bananas.
__________________________________________
现在让学生自己再总结一下方法,是学生对这种方法熟记于心。
(三)当谓语动词为实义动词时,也就是句子中没有be动词,情态动词出现时,通常应根据不同时态和人称在句首加助动词do, does, did等。如:
(1)We go to school every day. 我们每天都去上学。
→Do you go to school every day? 你每天都上学吗?
(2)She gave me some. 她给了我一些。
→Did she give you any? 她给了你一些没有?
(3)He likes watching TV .他喜欢看电视。
→Does he like watching TV? 他喜欢看电视吗?
注意如遇到原句有I/we要变you, my/our 要变your,some要变any,用does /did 帮忙的句子,后边动词一定变回原形,句号变成问号(?)(让学生自己试着归纳出注意的地方)
及时练习:
1. We see some masks.
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2. They like making the puppet.
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3. Su Hai lives in a new house.
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4.I put some books on my head.
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5. They sing “In the classroom”together.
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6.We played basketball last Sunday.
(1)We go to school every day. 我们每天都去上学。
→Do you go to school every day? 你每天都上学吗?
(2)She gave me some. 她给了我一些。
→Did she give you any? 她给了你一些没有?
(3)He likes watching TV .他喜欢看电视。
→Does he like watching TV? 他喜欢看电视吗?
注意如遇到原句有I/we要变you, my/our 要变your,some要变any,用does /did 帮忙的句子,后边动词一定变回原形,句号变成问号(?)(让学生自己试着归纳出注意的地方)
及时练习:
1. We see some masks.
_________________________________
2. They like making the puppet.
_________________________________
3. Su Hai lives in a new house.
_________________________________________________
4.I put some books on my head.
_________________________________________________
5. They sing “In the classroom”together.
_________________________________________________
6.We played basketball last Sunday.
_________________________________________________
7. Tom likes listening to music .
____________________________________________
8.My mother sometimes cooks fish for me.
__________________________________________
现在让学生自己再总结一下方法,是学生对这种方法熟记于心。
(四)当谓语动词是have/has/had时,也就是句子中有have/has/had出现时,一般我们要根据他们在句子中的意思作出判断。当表示“吃(=eat)”“喝(=drink)”、“拿(=take)”等意义时,我们要用助动词do, does, did帮忙放句首。其它情况,我们可以把have/has/had直接提前放句首。如: He has a loud voice. 他声音很洪亮。
→Has he [Does he have] a loud voice? 他声音很洪亮吗? He had bread for breakfast. 他早餐吃面包。
→Did he have bread for breakfast? 他早餐吃面包吗?
注意如遇到原句有I/we要变you, my/our 要变your,some要变any。
及时练习:
1. They have a class meeting every week.
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2.He has two eggs for breakfast every day .
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三、最后师生共同总结,归纳句子变一般疑问句的方法,形成一种做题模式,规律。