it的四种用法 It在句子里面指代什么?充当什么成分?

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it的四种用法

It在句子里面指代什么?充当什么成分?

It在句子里面指代什么?充当什么成分?

It在句中可以做主语,也可以指代前文中提到的内容或是指代时间,天气,时间,距离等,也可以在句中做宾语,指代说话人双方都理解的事情。如
It is a fine day today.(主语)
It is 3 oclock.(主语)
I can make it.(宾语)
It还可以作形式主语,形式宾语
It is important to protect environment.(It指代的是动词不定式)作形式主语
We think it important to protect environment.(it作形式宾语,真正的宾语是动词不定式)

it作形式宾语的用法不可省略?

I find it easy to play the piano.

IT用中文翻译是什么意思?

IT 是专业术语的缩写,既代表 Information Technology (信息技术),又代表 Internet Technology (互联网技术)。

IT 是专业术语的缩写,既代表 Information Technology (信息技术),又代表 Internet Technology (互联网技术)。

done的四种用法?

done
形容词 adj.
1.已完成
I have got to go out as soon as this job is done.
完成这项工作后我马上就要出去。
2.煮熟的
The meats ready but the vegetables still are not done.
肉食已经好了, 蔬菜还未做好。
3.合乎礼仪;合乎规矩;得体
感叹词 interj.
1.(表示接受建议)
“Ill give you twenty pounds for it.”“Done!”
“我出价二十英镑。”“成交!”
2.处境艰难;注定完蛋;肯定不行
The supplies are so low that we will be done for in a few days if help doesnt come soon.
补给太少了,如果得不到救援的话,我们几天之内就会完蛋。
I think the project is done for—the moneys almost gone and weve got no results after three years hard work.
我认为这个项目肯定不行,钱几乎花光了,苦干了三年仍毫无结果。
3.因轻微违法受罚
I got done for speeding on my way back home.
我在回家的路上因超速行驶而受罚。
4.与( 某人) 断绝关系;做完,了结(尤指令人不快的事情)
Im fed up with you lot! Im done with you for ever!
我受够了你们这些人!我再也不想跟你们有任何关系!
Lets have done with this silly argument.
我们停止这种愚蠢的争吵吧。
5.了结
Well Im glad thats over and done with. I was so nervous.
我很高兴终于结束了,我刚才很紧张。
6.(计划或活动等)已经完全结束(或准备好了)
Everybody else seems to think the deal will be done and dusted by lunchtime, but Im not so sure.