英语中的used to do 的否定式还有疑问句怎么变换 是“didn‘t use to do”“did you used to”吗

问题描述:

英语中的used to do 的否定式还有疑问句怎么变换 是“didn‘t use to do”“did you used to”吗

有两种变法:
1. didn‘t use to do / did you use to ...?
2. usedn't to do.... / Uses you to...?

didn‘t use to do=did you use to

你是对的,2个均对

否定式: never did
疑问句 did you use to...