U1-4.Grammar.doc

課題Unit 1. AsiaGrammar 課時4授課日期教學(xué)目標1 知識目標：1. New words: take up, quarter, either, level, service 2. Useful expressions: over there, just now, take up, on either side of, get around, as as,2 能力目標：1. Using “it” as a pronoun 2. Using “it” as an impersonal pronoun 3. Using “it” to replace the real subject or object教 學(xué)重、難點1. To master the usage of it2. To distinguish differnet kinds of usages of it教、學(xué)具Small blackboards預(yù)習(xí)要求Prepare the grammar items教師活動內(nèi)容、方式學(xué)生活動內(nèi)容、方式復(fù)備補充Step1. Lead in1. Show the students the sentences in the reading passageThese sentences can help students understand the usage of it. 2. Write the sentences on Bb Look at the panda. It is so small.Another famous attraction is the Great Wall. It runs for over 6,000 kilometers across northern China.3. Get the Ss to read the sentences . Step 2 Presentation Get the Ss to read the explamation and example sentences at the top of the sentence page .2 Get all the students to learn the rules and sentences all by themselves. 3 .Get the Ss to find out what the pronoun “it” refers to.4 .Get the Ss to complete “work out the rule .5 . Explainit可以作為代詞使用：（1）指事物：作為人稱代詞，it可以指代除人以外的一切事物或動物。如：I dropped my watch and it broke. 我把手表掉在地上摔壞了。Where is the dog? Its in the bedroom. 狗在哪？它在臥室里。 作為非人稱代詞，it常指代時間、日期、天氣和距離，例如： Whats the time? Its 6 oclock. 幾點了？六點鐘了。（2）指人物：it指人主要用于指性別不明的嬰兒或用于確認某人的身份。如：Is it a boy or a girl? 是男孩還是女孩?There is a knock on the door. It must be the postman. 有人在敲門，一定是郵遞員。（3）指活動：it可以指代前文提到的場景、事件或思想。例如： Many travellers like to ride bikes around the country side. They think it is great fun.許多游客喜歡在鄉(xiāng)間騎自行車游玩，他們認為這很有樂趣。Step 3.Presentation1 .Get the Ss to read the explaination and example sentnces. 2 .Explain the content of the exercises .3 .Get the Ss to rewrite the sentences . 4 .Check the answers .5 .Explain the difficulties .it作形式主語或形式賓語的用法：（1）當不定式、動名詞、從句等復(fù)雜成分用作句子主語時，為保持句子平衡，通常把真正的主語放在句末，而在句首使用形式主語it。如：Its very important to remember this. 記住這一點很重要。Its unknown when he will come. 他什么時候來還不知道。it用作形式主語的的重要句型常有：(a) It + be + adj. +for (of) sb to do sth 某人做某事 例如：It was foolish of her to say such a thing. 她說那樣的話，真是太蠢了。 (b) It takes sb + 時間段（或多少錢）+ to do sth. 某人做某事花了時間（或錢）例如：It takes him over five years to master English. 花了他五年多時間才精通英語。 (c) It is said / reported that +句子 據(jù)說/據(jù)報道 例如：It is said that he has arrived in Beijing. 據(jù)說他已經(jīng)到了北京。 (d) It seems that +句子 似乎 例如：It seemed that the environment is getting worse. 似乎環(huán)境正變得越來越糟。 （2）當不定式、動名詞、從句等復(fù)雜成分用作賓語且其后跟有賓語補足語時，通常會在賓語補足語前使用形式賓語，而將真正的賓語移至句末。其基本結(jié)構(gòu)為“動詞+it+賓語補足語+不定式(動名詞或從句)”。如：We think it no use complaining. 我們認為抱怨是沒有用的。it用作形式賓語的特殊結(jié)構(gòu)，常見的有：主語+think/find+ it + adj. + to do sth. 某人認為/發(fā)現(xiàn)做某事，例如： We all find it great to be able to visit that exciting theme park. 我們都發(fā)現(xiàn)能去那座主題公園去玩很棒。Step 4 Practice翻譯句子，說出it的用法1 Where is my watch? I saw it on your desk just now. 2 Somebody is knocking the door. Who is it? 3 Mrs. Huang had a baby last night. It weighs 4 kilos.4 It was October 21st, 1999.5 I know that is hard work, but I enjoy it. 6 Nick wanted to make a decision but he found it too hard. 7 How far is it from here to the station? 8 It is very hot here in summer. Step 5 Homewo