宾语从句
一定义:在复合句中起宾语作用的从句叫做宾语从句.
二种类:
1由that引导的宾语从句---当从句是陈述句时,用that引导宾语从句.在口语和非正式文体中,that可以省略
Iknow(that)youlikeEnglish.
Hetoldme(that)hewouldgotherenextweek.
2由whether/if引导的宾语从句---当从句是一般疑问句,选择疑问句或反意疑问句时,用whether/if引导宾语从句,并且要把疑问的语序变为陈述的语序.一般情况下,whether/if可以替换.但下面四种情况,只能用whether引导宾语从句.
Heaskedmewhether/ifIlikedmyjob.
Iwanttoknowwhether/ifyou'llcometotheparty.
(A)当句子中出现ornot时,必须用whether引导宾语从句
Iwanttoknowwhetherornotyoulikeme.
Iwanttoknowwhetheryoulikemeornot.
(B)当主句的谓语动词是由”动词+介词”构成的短语时,必须用whether引导宾语从句
They'retalkingaboutwhetherthey'llgothere.
(C)当宾语从句为了起强调作用,放在句首时,必须用whether引导宾语从句
Whetheryoulikeme,Iwanttoknow.
(D)当if容易引起歧义时,必须用whether引导宾语从句
Pleaseletmeknowifyoulikeit.
(宾语从句,if=”是否”)
Pleaseletmeknowifyoulikeit.
(条件状语从句,if=”如果”)
3由特殊疑问词引导的宾语从句---当从句是特殊疑问句时,要用特殊疑问词引导宾语从句,并且要把疑问的语序变为陈述的语序.
Heaskedthemwhytheyhadn'tfinishedtheirhomework.
4由形容词引导的宾语从句---当主句的谓语动词是由”be+形容词”构成的系表结构做谓语时,用形容词引导宾语从句
Iamsorry(that)Iamlate.
Heisveryglad(that)you'llhelphim.