高二英语法之引导名词性从句的连接词

　　引导名词性从句的连接词可分为五类：

　　a.连词：that（无任何词意，不作成分，只起连接作用，宾语从句中常可省略）

　　1) my hope is that she will soon be well again. (表语从句)

　　我的希望是她能很快康复。

　　2) everybody hopes that she will soon be well again.（宾语从句）

　　大家都希望她能很快康复。

　　3) that she will soon be well again is our hope.（主语从句）

　　她能很快康复是我们的`希望。

　　b. whether, if（均表示“是否”表明从句内容的不确定性，不作成分）

　　1) whether he is coming or not doesn’t matter too much.(主语从句，不能用if)

　　2) i went in and asked if/whether they had a cheap suit.

　　3) i wonder whether/if he will come in such bad weather.

　　c. 连接代词：what, whatever, which, whichever, (在从句中作主语，宾语，表语，指物)

　　1) ____he need is more time.

　　显然，主语从句：he是主语，谓语动词need缺宾语，因此应填what.

　　2) tell us ___you saw and heard during your visit to that university.

　　3) this is not ___i want.

　　4) ____some people are against is ___other people are for.

　　5) the question is which team will win.

　　6) i have two apples, i don’t know which you want.

　　归纳：what一般用于不知道内容或范围的句子；which“哪一个……”一般用于给出内容或范围的句子。可作主语，宾语，表语，还可作定语。

　　d. who, whoever, whom, whomever, whose（在从句中作主语，宾语，表语，定语，指人）

　　1) who will give us a lecture is unknown.

　　2) the question is who will come here.

　　e. 连接副词：when, where, how, why, whenever, however, wherever (在从句中作状语)

　　1) i have no idea how he learned about it.

　　2) where she has gone is not known yet.

　　3) when he will start is not known yet.

　　4) this is why he is late.

　　注意：连接代词和连接副词在句中既保留自己的疑问含义、又起连接作用，在从句中充当从句的成分。

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