第1个回答 2010-12-10
1. 由连系am，is，are构成的句子：变一般疑问句时把am，is，are提到句子的前面，句尾用问号即可。变否定句时直接在am，is，are后面加not即可。例如：
肯定句:He is a student.
一般疑问句: Is he a student?
否定句: He is not a student.
反问句: He is a student, isn't he?
He isn't a student, is he?
画线提问: 对he提问: Who is a student?
对 a student 提问: What is he? or What does he do?
2. 由情态动词can, may, should等构成的句子: 变一般疑问句时把can,may,提到句子的前面,句尾用问号即可.变否定句时直接在can,may,后面加not即可. 例如:
肯定句: She can swim.
一般疑问句: Can she swim?
否定句: She can not swim.
反问句: She can swim, can't she?
She can not swim, can she?
画线提问: 对she提问: Who can swim?
对swim提问: What can she do?
3. 由行为动词构成的句子: 需要加助词do或does. 变一般疑问句时把do/does放在句子前面. 例如:
肯定句: They play football after school.
一般疑问句: Do they play football after school?
否定句: They don't (do not) play football after school.
反问句: They play football after school, don't they?
They don't play football after school, do they?
画线提问: 对they提问: Who play football after school?
对play football提问: What do they do after shool?
第3个回答 2010-12-16
My brother was not in the park just now.
Was my brother in the park just now?
Where was my brother just now?
When was my brother in the park?
Who was in the park right now?
She hag sone bread for lunch today.
She did not have some bread for lunch today.
Did she have some bread for lunch today?
What did she have for lunch today?
Who had some bread for lunch today?
我可以帮助你，你先设置我最佳答案后，我百度Hii教你。