宾语从句I.ppt

The Object Clause (Revision)
宾语从句是主从复合句的一种在全句中作宾语的
句子就叫宾语从句。
了解宾语从句
不同引导词引导的宾语从句
由从属连词that引导的宾语从句
由连接代词 Who,whom,whose,which,
what 和连接副词 where,how,why,when
引导的宾语从句
由从属连词 whether, if 引导的宾语从句
由从属连词that引导的宾语从句
注:that 在句中无词汇意义,在从句中不能充当成分,
在口语当中往往省略
.
I hear (that) _______________________. (一小时后他会回来)
He said (that) ______________________. (他非常想念我们)
The teacher told us (that) ___________________________.
(地球围着太阳转)
he will be back in an hour
he missed us very much
the earth moves around the sun
不省略词that的情况:
从句与动词被其他词或从句隔开时,that一般不省略
They told us once again that the book was important.
2. 当两个或多个that引导的宾语从句并列使用时,
第一个从句的that可以省略,后面的that不可以省略
He said (that)he couldn't tell you at once and that you wouldn't
understand.
由从属连词whether, if 引导的宾语从句
或whether引导宾语从句时,作“是否”讲,常放在ask,see,say,know和find out等动词(组)后面,一般情况下,两者可以换用,口语中多用if。
Nobody knows whether/if it will rain tomorrow.
2. if 或whether引导宾语从句时,要注意连词、语序和时态三个方面:
1)if 或whether不能和that或其他连词、副词同时使用,也不能省略.
I don't know that if/whether he e here today.
I don't know if/whether he e here today.
×
√
由从属连词whether, if 引导的宾语从句
“Do you know the way to the hospital?” the old man asked me.(改为宾语从句)
2).if 或whether引导宾语从句时,从句应该用陈述句语序。
The old man asked me if/whether I knew the way to the hospital.
3)if或whether引导宾语从句的时态应和主句保持一致。
I don't know if/whether he e here.
由从属连词whether, if 引导的宾语从句
.
1. I want to know __________________________________.
(他是否跟我们一起去公园)
2. Ask him _____________________. (他是否能来)
3. I don’t know ___________________________.(是否要下雨)
if (whether) he will go to the park with us
whether (if) he e
whether it is going to rain or not
当句末为or not时,引导词只能用whether而不能用if.
if 与 whether的区别:
引导宾语从句时一般可以互换,但下列几种情况下只能用whether, 不能用if.
与 or 或 or not 连用时。
Could you tell me whether that’s a fast train or not?
I don’t know whether it is a cat or a cap.
2. 当宾语从句放在句首时。
Whether we will go there, we haven’t decided.
3. 做介词的宾语从句时。
We are talking about whether we will do it.
4. 后接不定式时。
I can’t