怎么把简单句变成宾语从句
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1、宾语从句在复合句中作宾语.引导宾语从句的连词that一般可省略.
e.g.I hope (that) everything is all right.
2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether.
e.g.I'm interested in whether you've finished the work..
I'm interested in what you've said.
3、whether与if都可以引导宾语从句,常可互换.但下面情况不能互换.
①宾语从句是否定句时,只用if,不用whether.
e.g.I wonder if it doesn't rain.
②用if 会引起误解,就要用whether.
e.g.Please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)
③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换.
e.g.I don't know whether or not the report is true.
I don't know whether/ if the report is true or not.
④介词后的宾语从句要用whether引导.whether 可与不定式连用.whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if.但引导条件从句时,只能用if,而不能用whether.
e.g.It depends on whether we have enough time.
They don't know whether to go there.
Please come to see me if you have time.
e.g.I hope (that) everything is all right.
2、介词之后的宾语从句,不可用which或if连接,要分别用what或 whether.
e.g.I'm interested in whether you've finished the work..
I'm interested in what you've said.
3、whether与if都可以引导宾语从句,常可互换.但下面情况不能互换.
①宾语从句是否定句时,只用if,不用whether.
e.g.I wonder if it doesn't rain.
②用if 会引起误解,就要用whether.
e.g.Please let me know whether you want to go.(此句如果把whether改成if,容易当成条件句理解)
③宾语从句中的whether 与or not直接连用,就不能换成if;不直接连用,可换.
e.g.I don't know whether or not the report is true.
I don't know whether/ if the report is true or not.
④介词后的宾语从句要用whether引导.whether 可与不定式连用.whether也可引导主语从句、表语从句、同位语从句,还可引导让步状语从句,以上均不能换成if.但引导条件从句时,只能用if,而不能用whether.
e.g.It depends on whether we have enough time.
They don't know whether to go there.
Please come to see me if you have time.
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