英语基本句型转换练习
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英语基本句型转换练习
句子
我们现在学过的大多数句型，在一般情况下（就是不排除有特殊情况）都可以用简单的公式来记忆。
I.陈述句（肯定句，否定句）
1．肯定句：1) 主语+be动词+….
*I am a teacher.
He is a doctor.
They are students.
2) 主语+do动词的不同形式+….
*I play computer games everyday.
He plays computer games everyday.
We played computer games yesterday.
2．否定句
陈述句改否定句方法：
①在be动词（am/is/are）和情态动词(can, may, must...)后面加not，其它照写。some变成any. 例如：陈述句: They are in the park. He can play the guitar.
否定句: They are not in the park. He can not play the guitar.
或： They aren’t in the park. He can’t play the guitar.
is not=isn’t，are not=aren’t，can not=can’t ，am not 不能缩写
练习：把下列句子变成否定句
1. I am listening to music.
2. Mike is a student.
3. Kate can clean the classroom.
4. They are in the zoo.
5. There are some flowers in the vase.
6. This is my sister.
7. We are sweeping the floor.
②借助动词don’t/doesn’t,第三人称单数用doesn’t,其余人称用don’t，放到人称后面，动词前面其他照写。特别记住：前面用doesn’t, 后面的动词一定还原成原形。some变成any.
例如：陈述句: I like the ducks. He likes the dogs.
否定句：I don’t like the ducks. He doesn’t like the dogs.
肯定句变否定句：
1）I am in Class Four, Grade Five. _______________________________
2) He is funny. _______________________________
3) They are friends. _____________________________________
5) He has a pencil. ________________________________
6) They ate breakfast yesterday. _________________________________
疑问句（一般疑问句，特殊疑问句）
1．一般疑问句：
1）把be动词（am is are）和情态动词(can, may, must...) 提前，放到句首，其它照写。遇I/we→you, my→your. Some→any. 句号→问号（？）
例如：陈述句: They are in the park. He can play the guitar..
一般疑问句: Are they in the park? Can he play the guitar?
2) 借助助动词do/does.第三人称单数用does,其余人称用do，放到句首，其他照写。特别记住：前面用does,后面的动词一定还原成原形。遇I/we→you, my→your. Some→an y. 句号→问号（？）
例如：陈述句: I like the ducks. He likes the dogs.
一般疑问句：Do you like the ducks? Does he like the dogs? 2．Exercises:
将下列肯定句变为一般疑问句：
1）I am in Class Four, Grade Five. _______________________________
2) He is funny. _______________________________
3) They are friends. _____________________________________
4) I have a pen. _________________________
5) He has a pencil. ________________________________
6) They ate breakfast yesterday. _________________________________
练习：把下列句子变成一般疑问句
1. I am listening to musi
c.
2. Mike is a studen
t.
3. Mary can clean the classroo
m.
4. They are in the zo
o.
5. There are some flowers in the vas
e.
6. This is my siste
r.
7. We are sweeping the floo
r.