that whether who what which whoever whatever when where how why从 句引导词 :1
That he knows Japanese is known to all
他懂英语 , 这一点大家都知道令我惊讶的是在这儿见到他
When he will come is unknown
Whether he is coming doesn’t matter much
他来不来没什么要紧的他什么时候来不清楚
他们是怎么登上山顶的仍是个秘密
It remains a secret how they climbed up the mountain
主语从句的位置 1
主语较长时通常放在后面 , 句首用形式主语 it
放到句尾That 无词义 , 不可省略What 作主语2
What surprised me was to see him here
When “ 什么时候”,作时间状语主语从句不用 if3
主语从句考点一 : 主语从句后置,借用形式主语 it 为了避免主语冗长 , 句子头重脚轻 , 经常用 it 作形式主语 , 主语从句放在后面作真正的主语
That we shall be late is certain
-- It’s certain that we shall be late
That the earth is round is known to all
That you missed the chance is a pity
-- 由从属连词 whether, 连接代词 what , who , which和连接副词 when , where , why , how 等引导 , 也常常后置
It is a pity th