the与it在句中的用法?比如,什么时候用the,什么时候用it.怎么用?最好明白一点.不是的,我问的是这两个词语在一个

the与it在句中的用法?
比如,什么时候用the,什么时候用it.
怎么用?
最好明白一点.
不是的,我问的是这两个词语在一个句子中应该怎么用,比如第一次出现用The还是it,第二次以及多次用哪一个。
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古惑狐 春芽

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⑴用在单数名词前面,以代表同类的人或物,如:
● The ox is a useful animal for farmers.
● This type of work is easier for the teacher than for the student.
但当涉及 man 和 woman 这两个名词时,一般上不必用 the :
● Man is mortal.
● Woman differs from man in many ways.
⑵用在单数名词前面来表示有关名词的抽象概念,如:
● Don't play the fool.
● Peter is fond of the bottle.
⑶用在数目字前面,如:
● Mr Li is somewhere in the 30s.
● She was not yet born in the 50s.
⑷用在测量单位前面,以表示“每”(each/per),如:
● Some factory workers are paid by the hour.
● This car usually does 15 kilometres to the litre.
⑸用在比较级形容词或副词之前,以加强其意义,如:
● The teacher explained the idea again,but his students were none the wiser.
● Your mind will function all the better if you have some time away from your work.
⑹用在“the more/better...the more/better...”结构里,如:
● The more we practise,the more we improve.
● The better the staff,the better the performance.
⑺用在乐器名称之前,如:
● The piano sounds better than the organ.
⑻用在剧院、电影院之前,如:
● Do you often go to the cinema?
● Tom went to the Lido last week.
⑼用在四个方向之前,如:
● The sun rises in the east and sets in the west.
⑽用在复数姓氏之前,以表示有关家人,如:
● The Browns will visit us tonight.
⑾用在某些惯用语之前,如:
● We know the ins and outs of the matter.
● Compare the pros and cons before you make your decision.
IT 的用法
1.做代词,代替刚提到的过的一件事情.
a.可以指一个具体的东西.b.可以指前面所谈的事情或情况.
eg.a.It’s a nice room.
b.You promised to write the article,and you must do it.
2.做代词代替指示代词 this,that
eg.---What’s this?------ It’s a flag.
3.起指示代词的作用,指一个人或事物,it 所指的东西不很具体.
a.有时指某个动作的人.b .有时指引起某种情况的事物.
eg.a..----Who is knocking at the door?---- It’s me.
b.It’s the wind shaking the window.
4.指环境,情况等.
eg.It’s very quiet at the moment.
5.指自然现象(天气,气候,明暗等)
eg.I’s getting cold (dark,late,etc.).
6.指季节,时间
eg.It was late autume (early spring,mid summer,etc).
7.指距离
eg.It’s only five miles (half an hour’s walk).
8.用于强调结构,在这里it 可以说没有意思.它只帮助改变一个句子的结构,使某一成分受到强调,改变结构的办法是:
IT + be + 要强调的部分+ that(who,whom) + 句子其他部分
强调的部分是人用who(m),其他情况多用that
eg.It was Mary who (that) met your sister in the zoo yesterday.
It was your sister that (whom) Mary met in the zoo yesterday.
It was in the zoo that (where) Mary met your sister yesterday.
9.做形式主语,代替一个由不定式,动名词短语或是从句表示的主语,使原来的这些主语可以放在句子后部,避免头重脚轻.
a.真正的主语是不定式.
Eg.It’s our duty to attend to this letter.
b.真正的主语是动名词.
Eg.It’s no use talking to him about it.
c.真正的主语是从句,这个从句可以用that 引起,也可以用一个连接代词或连接副词引起.
Eg.It happened that I wasn’t there that day.
It’s doubtful whether she will be able to come..
10.做形式宾语,代替一个由不定式,动名词,或是宾语从句,往往把宾语放在它的补足语后面.而用it做形式宾语,放在宾语补足语之前.
Eg.I think it no use arguing with him.

1年前

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