it ,that 指代上文句子,话.

发布网友 发布时间：2022-04-26 09:23

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热心网友 时间：2022-06-26 16:26

指“物”
1. this指近处的物品，that指远处的物品，it没有远近之分。请看：
1） This is a ruler. 这是一把尺子。（指近处） 2） That is an eraser. 那是一块橡皮擦。（指远处）
2. 在回答this 和that作主语的疑问句时，常用it代替this和that。请看：
1）—Is this / that a desk? 这 / 那是书桌吗？ —Yes, it is. 是的，它是。（No，it isn’t. 不，它不是。）
2）—What’s this / that? 这 / 那是什么？—It’s a sharpener. 这 / 那是卷笔刀。
3. 表示两个在一起的物品时，应先说this, 后说that。再请看：
This is a pen. That is a pencil. 这是钢笔，那是铅笔。
[密笈]“这个” this离我近，“那个” that距我远，it指代“它”，答语中把this / that换。
指“人”
1. 在交际中介绍某人时，用this或that,而不用it。请看：
This is Li Mei. That is Wang Fang. 这是李梅，那是王芳。
2. 回答特殊疑问句中作主语指“人”的this或that时，答语仍用this或that,不用it。请看：
—Who’s this / that? 这 / 那位是谁？ —This / That is Miss Lin. 这 / 那位是林小姐。
3. 电话用语中的“我”和“你”，不用I和you, 而用this和that, 此时的this / that可以用it代替。请看：
—Hello, is that / it Wei Hua? 喂，你是魏华吗？ —No, this / it is Wang Lan. 不是，我是王兰。
4. 指性别不明的婴儿或身份不明的人时，用it取代this和that 。请看：
—Who’s it? 谁呀？ —It’s me. 是我。

it作替代词的用法

1.it用来替代前面提到的同一事物时,被替代的名词可以是可数名词,也可以是不可数名词.例如:

1)We are studying in a school with trees all around it.(it替代可数名词school)

2)-Have you still kept your old furniture?

-No,I have sold it.(it替代不可数名词furniture)

2.it可以替代英语句式中的不定式(短语)、动名词(短语)或从句,在句中作形式主语或形式宾语.例如:

1)It is a great surprise to meet you here.(It替代不定式短语to meet you here)

2)I think it is no good parents doing anything for their children.(it替代动名词的复合结构parents doing anything for短语)

3)We found it impossible that they could complete the task in two hours.(it替代that they could...从句)

3.it可以替代前面的某一名词或整个句子的内容.这时,可用that替换,也可以改为非*性定语从句.有时it可以前置替代,用以代替后面整个句子的内容.这时,不可用that替换.例如:

1)He said he had never met her,and it is not true.(it替代前面整个句子He said...)

2)I hate it when people talk with their mouths full.(it代替后面整个句子when people talk with...)(NMET'98)

that作替代词的用法

1.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)

2.that在并列分句中,可以替代前面某一个名词或整个句子内容,这时,可用it替换,也可改为非*性定语从句.例如:

1)She heard a terrible noise,and that brought her heart into her mouth.(that替代前面的名词noise)

2)They said they had discussed the problem,and that (=it) was impossible.(that替代前面整个并列分句They said...)

3.that在定语从句中,可作关系代词,代替某个先行词(人或物).例如:

1)The lady that came to our class is from Australia.(that指代先行词lady)

2)A clock is a machine that tells people the time.(that指代先行词machine)

4.that的复数形式为those,只可替代可数名词复数,在句中相当于the ones.例如:

1)The nights there in summer are shorter than those in winter.(those替代nights,可用the ones替换)

2)The students who do best in the exam are not always those with the best brains.(those替代students,可用the ones替换)

热心网友 时间：2022-06-26 16:26

that和this用法上一致（单独）
但他们的选择上有差别
（1）this(these 复数形式）一般指时间上和空间上较近的人或物
that(those 复数形式）常指时间或空间上较近的人或物
例：This is my desk and that is yours.
In those days they could not go tu school.

(2)this常指后面要讲的事物，有启下作用：that指前面讲过的事物，有承上作用
例：I want to tell you this:the English party will be held on Saturday afternoon.
He hurt his leg yesterday.That's why he didn't come.

(3)打电话时常用this表示自己，that表示对方

that和it差别是
that，those代指在前文中出现的对等的部分（不是同一个事物，只是对等），that指代可数名词单数及不可数名词，those指代可数名词复数
如：The weather in Beijing is colder than that in Kunming.
The apples in red basket are not as sweet as those in black basket.
而it指前文提到的事物，是同一物
如：My pen was lost ,did you see it?

清楚了吗，打我好久

热心网友 时间：2022-06-26 16:27

Jack would be the last man to believe that 杰克将会是最后一个相信那件事的人. 所以that 要在中文意思是 那,那件事 情况下使用;it 是在 上文有提及的情况下使用. this 与that相同,表这个 时使用.
没那么复杂,呵呵!!! 不懂,问我!!