Question

once引导的条件状语从句用法

Answer 1

once用作连词时可引导时间状语从句和条件状语从句，once可以作为副词、连词、名词和形容词使用。例句：
He will not be swerved from his course once his mind s made up.
一旦他已下定决心，就无法改变。

扩展资料

　　You'll like her once you get to know her.

　　你一旦了解了她就会喜欢她的。

　　The water is fine once you're in!

　　你一旦下了水，就会觉得水里挺舒适。

　　If necessary I can come at once.

　　如果有必要，我可以马上来。