在所有的英语句子中，最简单的肯定的陈述句是最基础的，其它各种类型的句子都是在此基础了变化而来。
一般疑问句用于对某一情况提出疑问，通常用 YES 和 NO 来回答，读时可用声调加强语气。
A:把句子中的be动词提到句首（be动词包括：am is are）
例如：
I am a student.→Are you a student？
She is a teacher.→Is she a teacher?
They are good friends.→ Are they good friends?
B:把句子中的情态动词提到句首（情态动词包括can may must will should等）
例如：
She can play football.→ Can she play football?
I will help you. → Will you help me？
C:如果句子中没有be动词和情态动词，就要在句首加上助动词帮助其变成一般疑问句。（情态动词包括 do 和 does）
主语是第一、二人称和复数人称时在句首加上Do；
主语是第三人称单数形式时加Does。加上Does之后，原来句子中的三单形式要还原。
人称：第一人称：单数：I 复数：we
第二人称：单数：you 复数：you
第三人称：单数：she、he、it 以及人名 复数：they
例如：
You have a friend. → Do you have a friend?
She likes apples. → Does she like apples?
Amy does her homework at home.→ Does Amy do her homework at home?
注意：
1.句号变问号；
2.句子中的第一人称和第二人称互换；
I can help you . → Can you help me？
3.some→ any；
I have some apples. →Do you have any apples?
4.动词的三单形式还原问题。
She goes to school on foot. →Does she go to school on foot?
一起来试一试吧！
将下列句子改成一般疑问句并回答。
1. It is a lovely dog.
2. She is a lovely girl.
3. He is my father.
4. They are Lily’s cousins.
5. We are classmates.
6. I am a doctor.
7 There is a bird in the tree.
8.There are many stars in the sky.
9. They are good friends.
10. I love my parents.
11. We have a pleasant home.
12. We like to climb the mountain.
13. They go to church on Sunday.
14. They walk to school every morning.
15. I can swim.
参考答案
1.Is it a lovely dog? Yes,it is . No, it isn’t.
2.Is she a lovely girl ? Yes,she is . No, she isn’t.
3.Is he your father? Yes,he is . No, he isn’t.
4.Are they Lily’s cousins? Yes,they are. No, they aren’t.
5.Are you classmates? Yes,we are. No, we aren’t.
6. Are you a doctor? Yes , I am . No, I’m not.
7.Is there a bird in the tree? Yes ,there is . No, there isn’t.
8. Are there many stars in the sky ? Yes ,there are . No, there aren’t.
9. Are they good friends? Yes,they are. No, they aren’t.
10. Do you love your parents? Yes,I do. No,I don’t. 1
1. Do you have a pleasant home? Yes,I do. No,I don’t.
12. Do you like to climb the mountain? Yes,I do. No,I don’t.
13. Do they go to church on Sunday? Yes,they do. No,they don’t
14.Do they walk to school every morning? Yes,they do. No,they don’t.
15.Can you swim? Yes, I can. No, I can 't.
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