when引导名词性从句,while引导状语从句

when引导名词性从句,while引导状语从句

一、从句的分类二、引导词从属连词：that, whether, if (连接作用，不作成分) 连接代词：who(ever), what(ever), which(ever), whom(ever)(作主语，宾语，表语，定语等名词性成分) 连接2、when, if 这两个词既可引导名词性从句，也可引导状语从句。当它们引导名词性从句且表示将来意义时，要直接使用将来时态；但当它们引导状语从句且表示将来意义时，则必须用一般现在时表示将来意义。

1、when引导名词性从句两种意思

主语从名when he will go home is known.It is not known when he will go home.宾语从句I don't know when he will go home.时间状语从句I saw him when he weWhen引导名词性从句时，译为“时候”=the time when+定从When they will leave for Australia hasn’t been decided. 他们什么时候动身去澳大利亚还没有决定。The time when t

2、when引导名词性从句例句

I fell asleep when he was reading.他看书时睡着了。二、when引导名词性从句：要点：when及所引导的从句是一个完整的特殊疑问句，只是语序有差别；翻译成：什么时间发生某某事；w⼆、引导条件状语从句when引导条件状语从句相当于if/in case引导的条件状语从句。（1）When there is no gravity，our feet can no longer stay on the ground.如果没有重⼒

3、when引导名词性从句的用法

引导名词性从句的连接词1、连接词：that,whether,if2、连接代词：what, whatever, who, whoever, whom, whose, which.3、连接副词：when, where, how, why 名词性that-从句1雾里灬探花when 引导的名词性从句10句Whenhewillcomebackisnotsure. Whenhewillcomebackisstillaquestion. Whenhewillcomebackisthedayaftertomorrow. IwanttoknowWhenhewi

4、when引导名词性从句吗

from where you start（宾语从句）from giving to receiving（动名词短语）所以，这里把from特殊记就When 1. when既可引导一个持续性动作，也可引导一个短暂性动作，可用于表示主句和从句动作同时发生或从句动作先于主句动作，有时还可表示从句动作后于主句，意为