（英语）肯定句变一般疑问句？

Question

如题所述

Answer 1

你好:
1 肯定句中含有系动词(am/is /are) 的, 直接将系动词提到主语前面,其他的照写.
如: He is writing his homework.
改: Is he writing his homework?

2 肯定句中含有助动词(do / did / does ) 的, 将助动词提到助于前面, 其他的照写.
如: She likes playing basketball.
改: Does she like playing basketball.

如: They want to have a picnic.
改: Do they want to have a picnic?

Answer 2

be动词提前，加问号

Answer 3

将be动词放在前面

Answer 4

肯定句变一般疑问句的方法