THAT 用法总结第一、 that 用作形容词（后接复数名词时用 those ）它用来指已被提到的人或物；也可表对比，指两个中较远的那个What about that book you borrowed from me last month ？请注意， that 有时候在句子中具有喜欢或轻蔑等感情色彩that little son of his 他那个小宝贝儿子That George ！乔治那家伙！（含有轻蔑语气）第二、 that 用作代词1. that 用作指示代词（复数形式是 those ），其指代意义同形容词用法，同时它还可以用作定语从句中的先行词；还可为了避免重复，代替前述名词that 用来替代前面提到的特指的事物 ,所代替的名词可以是可数名词 ,也可以是不可数名词 .代替可数名词可以用 the one 替换 .但其前面不可用任何限定词修饰 . 例如 :1)The population of China is larger than that of Japan.(that 代替不可数名词 population, 不可用 the one 替换 )2)The headteacher in your class is younger and more active than that in theirs.(that 代替可数名词 headteacher, 可用 the one 替换 )that 代替指物的单数可数名词或抽象不可数名词，一般是特指的those 代替指人或指物的复数名词，一般是特指的 =the ones one 代替指人或指物的单数可数名词，一般是泛指的ones 代替指人或指物的复数名词，一般是泛指的 That is what he told me.What is that (which) you have got in your hand?The price of rice is higher than that of flour.2. that 用作关系代词，引导限制性定语从句。
先行词可人可物，用法相当于who 或 which 但是在下列情况下多用 that ：先行词既有人又有物时；先行词有形容词最高级、序数词、不定代词、 very ，only 等修饰时；先行词是不定代词时）He talked about the teachers and schools that he had visited.I think it one of the most wonderful films that the film company has everproduced.She has little information that is useful for our research.Is there anything that I can do for you?请注意， that 在定语从句中作宾语时通常可省略The books (that) I sent you will help you in your studies.第三、 that 用作连词，引导名词性从句 ,状语从句和强调句1. that名词性从句①引导宾语从句及物动词后的引导词 that 可省略I didn't expect (that) he could win the championship.The teacher pointed out that Tom was not working hard enough.② 引导主语从句。
通常采用 it 作形式主语的句型That the earth goes around the sun is known to everyone.（ It is known to everyone that the earth goes around the sun.）③引导表语从句The trouble is that we are short of money.④引导同位语从句引导同位语从句的 that和引导定语从句的that是不同的前者只起语法作用， 在从句中不作任何成分； 而后者在定语从句中作主语、 宾语或表语举例说明：The news that he resigned from office surprised us.The idea that he holds is very common nowadays on campus.2. that 引导状语从句①引导目的状语从句Bring it nearer that I may see it better.②引导结果状语从句What have I done that he should be so angry with me?③引导原因状语从句。
I am afraid that I will fail in the driving test.④引导让步状语从句意为“虽然、尽管”Difficult that/as the task was, they managed to accomplish it on time.⑤引导条件状语从句意为“假使、假设”Supposing that you were in my position, what would you do?On condition that you were lost in the desert, you should ask for help as soon as possible.第四、 that 用作副词1. that 用作普通副词2. that 用作关系副词引导定语从句，可以代替 when ，where ， why 或 inwhich ，常可省略I will never forget the evening (that) / when we went to the theatre.The house (that)/where I used to live has been knocked down.第五 That 的固定搭配① and all that 诸如此类----Poverty compelled him to sell his house, clothes, and all that.② and that 而且（用来加强语气）----They finished the work, and that in only a few days.③ at that 就这样----They left it at that.④ for all that 尽管如此----He may have shortcomings and faults, but he is a good comrade for all that.⑤ now that 既然，由于----You ought to write it now that you know the address,⑥ that is 那就是---He will come back in a week, that is, in March 1.⑦ with that 接着就----With that she left the room;.= With these words, she left the room.⑧ in that ，意为“既然、因为。
Criticism and self-criticism is necessary in that it helps us correct ourmistakes.⑨ see (to it) that ，意为“注意、务必做到、保证”We will see to it that she gets home early.See to it that you are not late again.⑩ seeing that ，意为“鉴于、由于Seeing that it is 8 o'clock, we'll wait no longer.Seeing that he was busy with his work, I didn't disturb him.3、 than 作关系代词时，一般用在形式为比较级的复合句中，其结构为形容词比较级（ more ）．．．than ＋从句， than 在从句中作主语，相当于 that ，代表它前面的先行词这时，它兼有连词和代词的性质，也有学者认为这种用法的 than是连词，后面省略了主语 what 如：① The indoor swimming pool seems to be a great deal more luxiousthan is necessary ．室内游泳池过于豪华。
②He got more money than was wanted ．他得到了更多的钱But 也被看作关系代词，引导定语从句，在句中作主语，在意义上相当于 who not 或 that not ，即用在否定词或具有否定意义的词后，构成双重否定如：① There is no mother but loves her children ．没有不爱自己孩子的母亲②There was no one present but knew the story already ．在场的人都知道这个故事6．（一）、当 what 用作连接代词，引导名词性从句时，可引导主语从句、表语从句和宾语从句 （不可引导同位语从句） ；它本身在句中充当主语、 宾语或表语 1 、 what 表示“所以⋯⋯的（事）”的意思，相当于“the thing(s) that ⋯”、“allthat ⋯”、“that which ⋯”、“everything that ⋯”等例如：（ 1） Leave it with me and I ’llsee what I can do.(whatdo 的宾语 )（ 2） What you have done might do harm to other people.引导宾语从句，并作(what 引导主语从句，并在从句中作宾语。
)（ 3）What he said at the meetingastonished everybody present. (what引导主语从句，并在从句中作宾语)（ 4） What is m。