七年级英语一般疑问句和特殊疑问句 ppt课件

一般疑问句和特殊疑问句
七年级英语一般疑问句和特殊疑问句
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观察一下，这些肯定句 变成否定句的规律是怎 么样的？
七年级英语一般疑问句和特殊疑问句
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◦be动词
七年级英语一般疑问句和特殊疑问句
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◦肯定句: ◦They are in the park. ◦否定句： ◦ They are not in the p要 在(can)后加not.
七年级英语一般疑问句和特殊疑问句
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◦助动词
七年级英语一般疑问句和特殊疑问句
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◦She has some pencils. ◦She has not some pencils.
七年级英语一般疑问句和特殊疑问句
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◦We learn English at one.
七年级英语一般疑问句和特殊疑问句
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实义动词 型
1. He goes to school on Monday.
Does he go to school on Monday
?
2. He goes swimming on Friday.
Does he go swimming on Friday
?
3、I wash my face at 8 o‘ clock. Do you wash your face at 8 o‘ clock ?
4、You get up at 7 o’clock.
Do you get up at 7 o’clock ?
七年级英语一般疑问句和特殊疑问句
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some变any
1. There are some books on the desk.
◦1. 有be动词(is are am were was)/情态动词(can， could, will, would, shall, should，must，may)的。 在be动词/情态动词后后加not。(some改成any）
◦2. 无be动词/情态动词，一般现在时在动词前加don’t 第三人称单数前doesn't/一般过去式 didn’t’。
He·can sing.
Can he sing?
Yes. I can. No. I can’t.
Yes. he can. No. he can’t.
can 提前，其他照抄（I 变为you
my变为your，some变为any）.
七年级英语一般疑问句和特殊疑问句
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◦He likes the dogs. ◦Does he like the dogs?
◦3.加doesn't/ didn’t的句子注意，句子动词要变成原 型。
七年级英语一般疑问句和特殊疑问句
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观察一下，这些肯定
句变成一般疑问句的 规律是怎么样的？
七年级英语一般疑问句和特殊疑问句
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肯定句: ◦They are in the park. ◦一般疑问句: ◦ Are they in the park?
c. He likes apples . (变否定句)
He doesn’t like apples .
实义动词的否定句：若主语为第三人称单数，在实义动词前加上助动 词 ”doesn’t 实义动词要还原, 注意: “doesn’t” 是加上去的，不是原句 里面的。
七年级英语一般疑问句和特殊疑问句
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◦一、 肯定句改否定句的方法——一步法
句中有be(am is are)动词, 变否定句时， 需要 在( be )后加not.
七年级英语一般疑问句和特殊疑问句
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◦情态动词
七年级英语一般疑问句和特殊疑问句
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◦He can play the guitar.
◦He can not play the guitar.
七年级英语一般疑问句和特殊疑问句
七年级英语一般疑问句和特殊疑问句
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Be 型esentation
1. There is a big clock.
There is not a big clock.
2.This is my bag. This is not my bag.
3.I am a student I am not a student.
◦
七年级英语一般疑问句和特殊疑问句
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Be 型esentation
1. There is a big clock. Is there a big clock ?
2.This is my bag. Is this your bag ?
3.I am a student Are you a student ?
七年级英语一般疑问句和特殊疑问句
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◦He likes the dogs. ◦He doesn't like the dogs
七年级英语一般疑问句和特殊疑问句
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Can 型
I can do it very well. I can not do it very well.
He·can sing.
He can not sing.
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◦He could be here soon. ◦He could not be here soon.
七年级英语一般疑问句和特殊疑问句
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◦She may lose her way.
◦She may not lose her way.
七年级英语一般疑问句和特殊疑问句
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◦We must follow the traffic rules. ◦We can't follow the traffic rules.
1.Be 动词提到句首，其他照抄，句尾加问号。
2.I 变为you，my 变为your. some 变any.
七年级英语一般疑问句和特殊疑问句
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◦He can play the guitar. ◦Can he play the guitar?
七年级英语一般疑问句和特殊疑问句
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Can 型
I can do it very well. Can you do it very well?
◦We don’t learn English at one.
七年级英语一般疑问句和特殊疑问句
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实义动词 型
a. She has a book .(变否定句)
She doesn't have a book.
b. Lucy has many books . (变否定句)
Lucy doesn't have many books .