浙江2021高考英语_2021届高考英语it的用法及强调句型语法专题教案
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XX年高三一轮复习金子般的学案语法部分:it的用法及强调句型(新人教版)it的用法
一、it作指示代词
【完成句子】
用one,ones,it,that,those填空
(1) — i can"t find my watch.
— you haven"t found ______? if you want to buy a new ______, i suggest you buy ______ made in china.
(2) we"ve got a big cup and two small ______.
(3) the weight of an elephant is much greater than ______ of a tiger.
(4) the books on the first shelf are easier than ______ on the second shelf.
(5) the boy told his story and ______ of the girl upstairs.
【答案】
(1) it; one; one (2) ones (3) that
(4) those / the ones (5) that / the one
【结论1】
①指代上文提过的事物时,it指的是同名同物,相当于the+名词;
②one指的是同名异物,表示单数可数名词相当于a +名词;a / an+形容词+one等于a / an+形容词+名词;复数形式用ones;
③that后面常有后置定语,有特指意义,代替不可数名词或单数可数名词,相当于the+名词;
④复数名词用those,相当于the ones。
【例句观察】
— someone is knocking at the door. who is it?
— it must be leo. he said he"d come to see me.
【结论2】it指代人时,常指小孩或身份不明的人。
【例句观察】
it"s too quiet in the room. everyone just keeps silent.
【结论2】it可用以指代环境或情况。
【完成例句】 [ ]
根据语境补全句子
(6)— what time is it now?
— it"s half past seven.
(7)— it is spring now and it"s warm these days.
【结论4】 it可用以指代时间、季节、天气或距离。
【注意】 it指代时间时,有如下一些句型:
(1) it is time for sth. (for sb.)to do sth. / that-从句(should do / did, 必须用虚拟语气)
例: ① it"s time for lunch.
② it"s time for us to clean the house.
③ it"s time that we should clean the house.
=it"s time that we cleaned the house.
(2) it is / has been + some time + since-从句 (从句用一般过去时)
(3) it / this is the first / second…time that-从句(必须使用现在完成时)
这是某人第……次做了某事。
it / that was the first / second…time that-从句(必须使用过去完成时)123
例:①it is the second time that she has visited the great wall.
②this was the first time that i had come late to school.
(4) it was +时间点 + when -从句
例: it was evening when we got home.
=it was evening in which we got home.
(5) it was / will be + some time + before -从句
例:①过了5年他们才从北大毕业。
it was five years before they finally graduated from beijing university.
②不久,我们就要从我们学校毕业了。
it won"t be long before we graduate from our school.
二、it作形式主语
【完成例句】
根据语境补全句子
(8) it is possible for me to make a tour around the world.
【结论】代替由不定式、动名词或从句所表示的真正主语。为平衡句子,通常把不定式作主语改为it 作形式主语。
三、it作形式宾语
【例句观察】
①how did it come about that so many people were attacked?
② she feels it hard to get in touch with her old friend.
③ mobile phones make it possible for us to keep in touch anywhere.
④ i have made it a rule to get up early.
【结论1】
①it可以用在某些固定句型中,例如:
how did it come about that-从句意为“……怎么发生的?”
②it 作形式宾语常用结构有:代替由不定式、动名词或从句所表示的真正宾语。常见结构有:
主语+ think / consider / find / feel / make / believe / regard +it+adj. / n. (for sb.)to do.
【例句观察】
i consider it no good chatting with strangers through the internet.
【结论2】主语+ think / consider / find / feel +it+ no good / use doing sth.
【例句观察】[ ]
i hate it when people speak with their mouths full.
【结论3】主语+hate / dislike / love / like +it + when-从句,表示对某一情况的喜好或厌恶。
【例句观察】
i really appreciate it if you could help me with my math.
【结论4】主语+appreciate + it+ if-从句
【例句观察】
①you must see to it that the doors are locked before you leave the lab.
②you can depend upon it that we won"t give up.
③i answer for it that she is an honest girl.
【结论5】主语+see to / answer for it+ that-从句(确保……)
主语+depend on it +that-从句(指望,确信……)
四、带it的一些固定词组
1.(you"ve / i"ve) got it. 懂了,明白了
2. forget it. 算了吧,别在意,没关系。
3. take it easy 别着急,慢慢来;别过于紧张123
4. make it 办得到,做成功
5. make it +时间 把……定在(某时)
6. it / that (all) depends. 那要看情况而定。
7. it can"t be helped. 没有办法。 / 这是不可避免的。
8. it is hard to say. 情况很难说。
9. it comes to nothing. 没有什么结果。
10. don"t mention it. 不用谢。
11. that"s it. 对了;正是。
12. catch it(口语)被责骂; 受处罚
13. believe it or not. 信不信由你。
14. it doesn"t matter. 没有关系; 不要紧;
15. when it comes to…当谈到……; 当涉及……
16. keep it up. 再接再厉。
强调句型
一、强调句型的基本用法
1.强调句结构:it is / was + 被强调部分+that+ 句子的其余部分。
2.句型解读:[z|xx|k.com]
(1) it是引导词,强调的内容可以是句子的主语、宾语、状语。如果被强调的部分是人,that 可用who代替,其他情况一律用that。
(2) 验证强调句的方法: 去掉it is / was…that 结构后,可以把被强调的部分与句子其余部分还原为一个完整的句子。
二、强调句型的考点
【例句观察】
(1) it was edison who invented the lamp.
(2) it is edison who invents the lamp.
【结论1】注意时态的一致性。原句中用的是过去的某种时态, 用it was…that…;原句中用的是现在或将来的某种时态,用it is…that…
【例句观察】
it is i that am your english teacher.
【结论2】当被强调的部分是主语时,注意保持主谓一致。
【例句观察】
he didn"t go to bed until he finished his homework. (对画线部分进行强调)
→ it wasn"t until he finished his homework that he went to bed. (强调句)
【结论3】not …until …结构用于强调句中,not 要提前到until之前,放在be动词后。即:it wasn"t until …that +句子的其余部分。
【例句观察】
was it not until he finished his homework that he went to bed?
【结论4】强调句的一般疑问句形式:is / was it + 被强调部分+ that+句子的其余部分。
【完成句子】
when was it that he went to bed?
【结论5】强调句的特殊疑问句形式:特殊疑问词+ is / was it+ that + 句子的其余部分。
【例句观察】
i really don"t know when it was that he went to bed.
【结论6】含有强调句型的特殊疑问句作宾语从句时,注意用陈述语序。
【疑难】it is in the city where he was born that he works.
他工作的地方是他出生的那个城市。
【疑难剖析】强调句中的被强调部分含有一个定语从句,要注意区别、分析。
it is / was +被强调部分+定语从句+that (who)+句子的其余部分
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