英語when引導(dǎo)什么從句

　　例句：

　　He was offside when he scored.

　　他將球攻進(jìn)門時(shí)已越位了。

　　When was the bridge constructed?

　　那座橋是何時(shí)修建的？

　　When are the removal men coming?

　　搬家工人什么時(shí)候到？