神马作文网关于before的所有用法
来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/11/11 05:46:16
关于before的所有用法
Before的用法：
一、 before用作连词
1． before用作连词时,意思是“在……之前；还没来得及 …… 就”.例如：
Before she could move,she heard a great noise,which grew to a terrible roar.她还没来得及动弹,就听见有很响的声音,接着就成了可怕的隆隆轰鸣声.
Before I could say a word,she had stormed out of the room.不等我说一句话,她就冲出了房间.
Don’t count your chickens before they are hatched.不要高兴得过早.
2． 用于It + be + 时间段 + before...句型中,意思是“在……之后才……”.例如：
It will be five years before I come back.
我五年后才能回来.
一、 before用作连词
1． before用作连词时,意思是“在……之前；还没来得及 …… 就”.例如：
Before she could move,she heard a great noise,which grew to a terrible roar.她还没来得及动弹,就听见有很响的声音,接着就成了可怕的隆隆轰鸣声.
Before I could say a word,she had stormed out of the room.不等我说一句话,她就冲出了房间.
Don’t count your chickens before they are hatched.不要高兴得过早.
2． 用于It + be + 时间段 + before...句型中,意思是“在……之后才……”.例如：
It will be five years before I come back.
我五年后才能回来.