I read a book last nighe.改为否定句,和一般疑问句,肯否定回答.这是过去式的.
问题描述:
I read a book last nighe.改为否定句,和一般疑问句,肯否定回答.
这是过去式的.
答
否定句I didn't read a book last night
疑问句did I read a book last night?
肯定回答yes,you did
否定回答no ,you didn't
答
改为否定句
I didn't read a book last night
一般疑问句,
Did you read a book last night?
肯定回答.Yes, I did.
否定回答: No, I didn't.
分析:read的过去式和过去分词与原形相同.