内容正文:
SECTION Ⅲ GRAMMAR
GRAMMAR 1——人称代词it
语境美文
语法感悟
1.It was Sunday of July.2.It was raining hard in the afternoon.The weather made 3.it hard for me to walk on the road.Suddenly,I caught sight of a young lady with a baby in her arm,walking in the rain with no umbrella.4.It took me only seconds to catch up with her and found 5.it was a baby girl.I asked her where she was going.“To the hospital,for a treatment to the baby.”she answered.6.It was about two miles to the nearest hospital.Then I called a taxi and sent them there.She thanked me a lot,saying:“7.It is kind of you to give me a hand.”Later,I was told that she was my head teacher's wife.
It作为代词,在美文中的功能如下:
(1)1处it代替日期;
(2)2处it代替天气;
(3)3、4、7处it代替后文的动词不定式短语;
(4)5处it代替不明性别的婴儿;
(5)6处it代替距离。
it用作人称代词,指代前文提到的单数或不可数的物,性别不明的child或baby或指代未出场的身份不明确的人;也可用作非人称代词,表示天气、时间、距离、自然现象、环境情况等;it可以用作形式主语或形式宾语;it可以用于一些固定句型中。
(一)it用作代词
1.it用作人称代词
(1)指代前面的名词或前面提到过的事;
(2)指代性别不明的child或baby;
(3)指代未出场的身份不明确的人。
My friend offered me a beautiful gift yesterday,and I like it very much.
我朋友昨天给了我一件漂亮的礼物,我非常喜欢。
His sister has given birth to a baby recently.It is said that it is very beautiful.
他姐姐最近生了个孩子。据说孩子很漂亮。
—Who is waiting for you at the bus stop?
—I have no idea.It may be my brother.
——“谁正在公共汽车站等你?”
——“我不知道。可能是我哥哥。”
2.it用作非人称代词
(1)it可以表示天气、时间、距离、自然现象、环境情况等;
(2)it也可以表示一般的、笼统的情况。
It is a fine day today,isn't it?
今天是个好天气,对吧?
It is five kilometres to the town from the village.
从城镇到村庄有5千米的路。
It's ten o'clock now.
现在10点钟了。
It is too bad.There is much work for me to do today.
糟透了。今天我有太多的工作要做。
3.it可以指代指示代词this,that或不定代词something,nothing。
Whenever she sees something that she likes,she goes and buys it.
每当她看到了喜欢的东西,她就会去买下来。
◆[即学活用1]——单句语法填空
① It is 10 kilometers to the castle.
②Jack is ill.Have you heard about it ?
③There is a photo on the wall. It is the photo of Lei Feng.
④Tom's mother kept telling him that he should work hard,but it didn't help.
⑤Your idea is very good.Don't give it up.
(二)it用作引导词
1.it在句中作形式主语
it作为形式主语常用于下面句型中:
(1)It be+adj.+(for sb.) to do...(对某人来说)做……是……的。(常用于此句型的形容词有possible,necessary,important,easy,strange,natural等)
(2)It be+n.+doing...做……是……的。(常用于本句型的名词有good,use等)
(3)It be+adj.+doing...做……是……的。(常用于本句型的形容词有useless,worthwhile等)
(4)It be+adj.+that...(对某人来说)做……是……的。(常用于此句型的形容词有necessary,important,strange,natural等)
[名师点津] 此句型中从句一般用虚拟语气,即(should) do。
(5)It be+过去分词+that...据……。(常用于本句型的过去分词有said,announced,believed,reported,known,hoped等)
(6)It be+n.+that...做……是……的。(常用于此句型的名词有pity,honour,shame,wonder等)
It is impossible to get there by boat.
坐船不可能到那里。
It is no use giving him some advice.
=It is useless giving him some advice.
给他提建议没用。
It is necessary that the work should be done well.
这项工作应该被完美完成,这是必要的。
It was said that the typhoon,Haiyan,had caused a lot of damage.
据说台风海燕已造成了很多的破坏。
It's a pity that you can't come.
你不能来真遗憾。
2.it在句中作形式宾语
it作为形式宾语常用于句型“动词+it+形容词/名词/动词ing+(for sb.)+to do/that从句”中。常用动词有think,believe,suppose,consider,feel,make,keep等。
They considered it important to have the work done on time.
他们认为按时完成这项工作很重要。
We make it a rule to visit the old every weekend.
我们规定每个周末都去拜访那些老人。
He thought it no use trying to convince them.
他认为说服他们没有用。
I think it important that you(should) attend the conference.
我认为你去参加这个会议很重要。
3.it的其他句型
(1)It remains to be done+从句(真正的主语)……有待于……。
It remains to be seen whether making a trip often does good to the old couple's health.
经常旅行是否对老年夫妇的健康有好处有待于证实。
(2)It+hits/strikes/occurs to sb.+从句(真正的主语),某人突然想起……。
It occurred to me that we should start off at once.
我突然想起我们应该立刻出发。
(3)动词appreciate/hate/love/like/dislike后面由if或when引导从句时,中间用it,构成“appreciate/hate/love/like/dislike+it+if/when从句”。
He will appreciate it if they invite him.
如果他们邀请他,他将非常感激。
She hated it when he bragged that he was the most important.
她讨厌他自吹自己最重要。
(4)动词短语rely/depend on/upon(依靠),see to(负责,照料),answer for(负担,担保),ask for(请求)后跟that引导的从句作宾语时,中间需用形式宾语it,构成“动词短语+it+that从句”结构。
You can depend on it that she is always concerned about her own interests.
她总是关心自身的利益,你对这一点可以打包票。
Please see to it that the door is locked.
请确保门锁了。
(5)用于强调句型结构中:
强调句型的基本结构:It is/was+被强调部分+that/who+其他成分,此结构中it没有具体意义,只是引出被强调部分。
It was Mr.Smith who/that he turned to for help.
他是向史密斯先生求助的。
It was in the museum that I first saw this old ancient vase.
我是在博物馆里第一次见到这个古花瓶的。
◆[即学活用2]——完成句子
① I don't think it possible to master a foreign language without much memory work.
我认为不进行大量的记忆学好外语是不可能的。
② It took them ten years to observe the living habits of the tiger.
他们花了十年时间观察老虎的生活习性。
③ He felt it his duty to work for human rights and progress.
他感觉为人权和进步而工作是他的责任。
④ It is suggested that all the old buildings along the street should be pulled down immediately.
有人建议沿街所有的旧建筑都应该立即拆除。
⑤ Don't take it for granted that your parents send you to school.After all,you are fully grown.
不要认为你父母送你上学是理所当然的。毕竟,你已经长大了。
⑥ It is every Sunday that they get together to have a good time.
每个星期天他们聚在一起来度过愉快的时光。
⑦ I hate it when people talk with their mouths full.
我讨厌人们满嘴含着食物说话。
⑧ It was not until they finished the work that they left to travel.
直到他们完成了工作,他们才离开去旅行。
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