英语从句中that怎么用？与what.which的区别

That teacher said that that that that that boy used in that sentence was not correct. That在英语中是一个使用频率很高的词.它可用作代词,副词,形容词,连词,关系代词等,在句中可作主语,宾语,定语,状语或起联结作用等.下面就that的主要用法作一些归纳,以供同学们复习时参考. that用作指示代词,指代某人或某物,或指上文提到的人或事物(单数名词)."那个" This is Mary and that is Jack. That is your coat. Few pleasures can equal that of a cool drink on a hot day. Is that why you had a few days off Who is that Is that you (电话用语) that用作形容词限定单数名词,"那个,那",或作副词修饴形容词或副词,表程度."那么" That day I met an old friend of mine in the street. That bike of yours is broken. I can't walk that far. The weather is not that cold. 三,引导从句的that. 与有关词构成短语,如 so that(以便,以致),so...that(如此…以致),such…that(如此…以致),in order that(以便),for fear that(以免),on condition that (假设),now that(既然),in that(因为)等,引导的状语从句,且that不可省. They started so early that they might arrive in time. It is such a heavy box that nobody can move it. John shut everybody out of the kitchen so that he could prepare his grad surprise for the party. He worked hard in order that he might catch up with the others. Now that you have got a chance, you might as well make full use of it. Advertising is different from other forms of communication in that the advertiser pays for the message to be delivered.

which引导形容词性从句，多数情况下，which在句中做动词或介词等的宾语 what多引导名词性从句，包括同位语从句，宾语从句等， that既可以引导名词性从句，也可以引导形容词性从句，that在名词性从句中一般不做任何成分，只起引导作用，在形容词性从句中，绝大多数情况下可以和which互换，但引导词前边有in from 等介词时，只能用which，还有引导非限制性形容词性从句时，也只能用which

主语+hope+that+从句 希望干某事