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英语语法高手请进They say that advertising is wastful.=It is said tha

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英语语法高手请进
They say that advertising is wastful.
=It is said that advertising is wastful.
=Advertising is said to be wastful
麻烦归纳下这样结构.
1,They know that a lot of money is spend .(为什么要改为 said that.)
2,They believe that advertising pushes up prices.
3,They think that advertising industy will continue to grow.
4,They hope that misleading commercials will be prohibited.
这里面的第二题答案给出的是:It is believed that advertising pushes up prices.
1.变化如下:
1)They know that a lot of money is spent.
= It is known that a lot of money is spent.
= A lot of money is known to be spent.
2)They believe that advertising pushes up prices.
= It is believed that advertising pushes up prices.
= Advertising is believed to push up price.
3)They think that advertising industry will continue to grow.
= It is thought that advertising industry will continue to grow.
= Advertising industry is thought to continue to grwo.
4)They hope that misleading commercials will be prohibited.
= It is hoped that misleading commercials will be prohibited.
= Misleading commercials is hoped to be prohibited.
2.这个结构中的谓语动词不一定是say,还可以是believe/think/know/know/report等等.
可以归纳其变化如下:
sb say/think.+ that引导的宾语从句
= It is said/thought.+ that引导的主语从句(it为形式主语)
= that从句的主语 + is said/thought...+ 不定式(包括:to do sth;to be doing sth;to have done sth)
3.再如:People say that he was sleeping at that time.
= It is said that he was sleeping at that time.
= He is said to be sleeping at that time.
The newspaper reports that he has died.
= It is reported that he has died.
= He is reported to have been dead.