本单元重点内容是由连接代词或连接副词引导的宾语从句,下面就请许老师为大家讲解。
I.宾语从句可由连接代词what, who,whom,whose,which等引导,它们在宾语从句中可作主语、宾语、表语和定语等,因此不能省略。如:
Do you know who will come this afternoon?你知道今天下午谁来吗?(作主语)
Did you hear what she said?你听见她说的话了吗?(作宾语)
I don't know whose that is.我不知道那是谁的。(作表语)
Could you tell me which gate we have to go to?请问我们得走哪个门?(作gate的定语)
II.宾语从句可由连接副词when, where,how,why等引导,它们在宾语从句中作状语,不可省略。如:
We didn't know when she would come back.我们不知道她什么时候回来。
Can you tell me how I get to the post office?你能告诉我到邮局怎么走吗?
说明:含how的词组也可引导宾语从句。主要有how old,how many,how much, how long,how often,how far等。如:
Do you know how old he is?
注意:以上两项内容中,连接代词和连接副词起引导宾语从句的作用,不要再重复使用连接词,造成不必要的错误。如:
I can't see that what is over there.(×)此句中应去掉that。
III.可用连接代词或连接副词引导的宾语从句的动词或短语动词有 see,say,tell,ask,answer,know,decide,find out,show,remember, choose等。如:
We can't decide who should go to Beijing first.我们不能决定谁应该先去北京。
Read the story below and find out who Father Christmas is.读下面的故事,弄清楚圣诞老人是谁。 |