unless引导什么从句时态

unless是从属连词，引导条件状语从句。

例句：

Have a cup of tea—unless youd prefer a cold drink?

喝杯茶吧—除非你喜欢冷饮？

Unless Im mistaken, she was back at work yesterday.

除非是我记错了，她是昨天回来上班的。

扩展资料

He resolutely refused to speak English unless forced to.

除非被逼迫，他坚决拒绝说英语。

Why did you need a room unless you were up to something?

除非你要捣什么鬼，不然为什么需要一个房间呢？

Recovery cant be sustained unless more jobs are created.

除非有更多的工作机会被创造出来，否则复苏无法保持下去。