2021屆高考英語(yǔ)it的用法及強(qiáng)調(diào)句型語(yǔ)法專題教案
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 ＋時(shí)間點(diǎn) ＋ when －從句
例： it was evening when we got home.
＝it was evening in which we got home.
(5) it was / will be ＋ some time ＋ before －從句
例：①過(guò)了5年他們才從北大畢業(yè)。
it was five years before they finally graduated from beijing university.
②不久，我們就要從我們學(xué)校畢業(yè)了。
it won't be long before we graduate from our school.
二、it作形式主語(yǔ)
【完成例句】
根據(jù)語(yǔ)境補(bǔ)全句子
(8) it is possible for me to make a tour around the world.
【結(jié)論】代替由不定式、動(dòng)名詞或從句所表示的真正主語(yǔ)。為平衡句子，通常把不定式作主語(yǔ)改為it 作形式主語(yǔ)。
三、it作形式賓語(yǔ)
【例句觀察】
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.
【結(jié)論1】
①it可以用在某些固定句型中，例如：
how did it come about that－從句意為“……怎么發(fā)生的？”
②it 作形式賓語(yǔ)常用結(jié)構(gòu)有：代替由不定式、動(dòng)名詞或從句所表示的真正賓語(yǔ)。常見(jiàn)結(jié)構(gòu)有：
主語(yǔ)＋ think / consider / find / feel / make / believe / regard ＋it＋adj. / n. (for sb.)to do.
【例句觀察】
i consider it no good chatting with strangers through the internet.
【結(jié)論2】主語(yǔ)＋ think / consider / find / feel ＋it＋ no good / use doing sth.
【例句觀察】[ ]
i hate it when people speak with their mouths full.
【結(jié)論3】主語(yǔ)＋hate / dislike / love / like ＋it ＋ when－從句，表示對(duì)某一情況的喜好或厭惡。
【例句觀察】
i really appreciate it if you could help me with my math.
【結(jié)論4】主語(yǔ)＋appreciate ＋ it＋ if－從句
【例句觀察】
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.
【結(jié)論5】主語(yǔ)＋see to / answer for it＋ that－從句(確�！�)
主語(yǔ)＋depend on it ＋that－從句(指望，確信……)
四、帶it的一些固定詞組
1.(you've / i've) got it. 懂了，明白了
2. forget it. 算了吧，別在意，沒(méi)關(guān)系。
3. take it easy 別著急，慢慢來(lái)；別過(guò)于緊張