重庆大学版必修 3 Unit 6 Perseverance语法IT的用法课件（共36张PPT）

课件36张PPT。The use of “it”Answer my question 1. what’s this?
--It’s a/an…
2.who is knocking the door?
-- It is …
3.what’s the date today?
-- It is …
4.what’s the weather like today?
-- It’s …5.which season is it now?
-- It’s …
6.what time is it now?
-- It’s …
7.How far is it from your home to school?
-- It’s …
8. How do you think our classroom?
-- It’s …
Study the following sentences and decide what fun_ction “it” has in each of them. 1)----when shall we meet again? ---Make it any day you like?2)---It is miles from the village to the hot spring.3) Someone is knocking at the door. Go and see who it is.
4) It is nine o’clock sharp now.
5) It was raining cats and dogs when they got started.
6) I hate it when people talk with their mouths full.
7) It is a fact that English is being acceptable as an international language.
2 4315 76“it” 作人称代词，可代替一切生物和事物，以及上文提到过的或下文将要提到的人，物或某种情况。也常用来指代天气，时间，距离，季节和环境等等。1. 指代事物、动物、婴儿或未知的人。
Look at the baby. Isn’t it lovely?
看那个小婴儿，它不可爱吗？
—Who is there? 谁在那里？
—It’s only me. 我。it的用法2. 指天气、时间、距离、自然现象、环境等。
It’s very cold today.今天很冷。
It’s twenty miles to the zoo.到公园20英里路。3. 代替不定式、v-ing形式、名词性从
句，作形式主语或形式宾语。
It’s of great help to master a foreign language.
掌握一门外语很有帮助。
I find it quite necessary to make some changes.
我发现有必要做出改变。作形式主语的常见结构
1) it takes sb. Some time to do sth.
2) it+be+adj.+to do/that.(常用的形容词有 possible,necessary,strange等等）
注意：that从句需用虚拟语气:It is important that we should pay close attention to grain.
3） it+be+n.+to do/that…(常用名词有pity,honour,shame,wonder等等）
4）it+be+adj.?n.+doing…(常用词有 good，use，useless等等）
5）it+ be+过去分词+that…(常用过去分词有said, announced,believed,reported,hoped等）作形式宾语的结构
主语+谓语+it+adj./n.+to do/that…(常用于此句型的动词有make,think,feel,find,consider等等）
He feels it his duty to take care of her.
4. 用作look, seem, appear, happen等词
的主语。
It seems that he lost his way.
他好像迷路了。
It happened that she was not at home when I called.
我打电话时，碰巧她不在家。5. 表示“喜欢、恨”等心理方面的动词后面接 it，构成固定结构，这类动词有enjoy, prefer, love, like, hate, dislike, appreciate等后面接if/when引导的从句。I will appreciate it if you can give me a hand.
如果你能帮我一把，我会很感激。
I can't help it if he is always late.
如果他总是迟到，我也没办法。
As someone puts it，practice makes perfect.
像某人所说的那样，熟能生巧。6. 在动词+介词构成的词组如see to, depend on, ask for, answer for, insist on等结构中不能直接接宾语从句，在介词和宾语从句间也须插入无意义代词it. (Depend on it 可单独成句)① See to it that you are not late again.
设法做到你不再迟到。 ②You may depend on it that all the goods will be delivered in time.务必相信所有的货物会及时送达。7. 在下列固定短语和惯用法中it指代某种情形或事实。It is hard work, but it’s worth it in the end. Believe it or not.
Don’t mention it.
It’s my pleasure.
Take it easy.
It’s up to you.
It all depends.
Forget it.
It doesn’t matter.Sometimes we’re busy and sometimes we’re not.
It all depends. 有时我们很忙，有时则不是。
那要看什么情形了。Look at that fat girl. She should carry too big case.
I love it.
看那个胖女孩。她竟然扛两只大箱子！
真逗/真有趣。8. It用于强调句型，对句子的某一成分加以强调，结构如下：
It is / was + 被强调的部分 + that / who / whom + 原句中的其他部分
It is my word that counts.
我说了算。 (强调主语)
Applying the rule1) ----He was nearly killed in a car accident.
----when was_______ ?
---- ______ was in 2000 when he was still in middle school.
A. that; It B. this; This C. this; It D. that; This
2) ----Who broke the window?
---- I suppose_____ must have been one of the students there.
A. She B. it C. he D. who
ABApplying the rule3)----Excuse me, sir. But can I borrow your novel The Old Man and the Sea?
---- I’m sorry.______ was lent to Rosemary.
A. That B. This C. It D. He
4)---- I was disappointed with the film. I had expected___ to be much better.
A. that B. this C. one D. it
CDApplying the rule5) ______ is known to everybody that the Moon orbits around the Earth once every month.
A. It B. As C . That D. What
6)----How was the weather yesterday?
----_____ was sunny.
A. That B. It C. As D. ThisAB“It”试题解析1. The Parkers bought a new house but _____ will need a lot of work before they can move in.
A. they B. it
C. one D. which “It”试题解析2. Tom’s mother kept telling him that he should work harder, but ____ didn’t help.
A. he B. which
C. she D. it“It”试题解析3. The weather turned out to be very good, ___was more than we could expect.
A. what B. which
C. that D. it 4. Do you have enough glasses for each guest to have _________?
A. it B. them
C. that D. one “It”试题解析 5. Why don’t we take a little break?
Didn’t we just have __________?
A. it B. that
C. one D. this “It”试题解析6. -He was nearly drowned once.
-When was _________?
-____ was in 1998 when he was in middle school.
A. that; It B. this; This
C. this; It D. that; this 7. It was not until 1920 ______ regular radio broadcasts began.
A. while B .which
C .that D. since
“It”试题解析7. It was not until 1920 ______ regular radio broadcasts began.
A. while B .which
C .that D. since
Regular radio broadcasts didn’t begin
until 1920.
“It”试题解析
8.Could it be in the restaurant in_____ you had dinner with me yesterday_________ you left behind your keys and wallet?
A. that, which B. which, that C.where, that D. that, where
“It”试题解析
8.Could it be in the restaurant in_____ you had dinner with me yesterday_____ you left behind your keys and wallet?
A. that, which B. which, that C.where, that D. that, where
“It”试题解析 It was for this reason_____ her uncle moved out of New York and settled down in a small village.
A. which B. why C. that D. howThank you for attending!LU GAO QIANG 2006-12-11