七年級單元知識復(fù)習(xí)7

1、Unit 7 How much are these socks?知識點(diǎn)復(fù)習(xí)1.How much is it?它多少錢？ 對價(jià)格提問，用how much.不用how much money. How much 后面的be動(dòng)詞隨著主語的變化而變化。如：How much are these socks? How much is it? = Whats the price of it?注意回答的不同。如，How much are these socks？回答： Whats the price of these socks?回答：聯(lián)想：The price of these socks _ 5 dollar

2、s.2.Can I help you?我能為你服務(wù)嗎？ 這是在商店里購物常用的一句話。肯定回答：Yes, please.否定回答：No, thanks/thank you. Can I help you? = What can I do for you? 注意兩者回答的不同。3.I need a sweater for school.我需要一件毛衣上學(xué)穿。 needfor 固定搭配，需要來，其中for表目的，如I need some color pencils for this afternoons art class.注意這里的介詞用for而不是to。又如：I need a sports b

3、ag= I need a bag for sports. I need a pair of black shoes for school. need的用法見重點(diǎn)單詞解析。4.What color do you want?你想要什么顏色？ 對顏色提問，一律用what color，不用what colors.如：What color do you like? I like green and blue.(注意千萬不要把blue寫成bule)5.It looks nice.它看起來很漂亮。 looks此處是系動(dòng)詞，看起來。后面接形容詞做表語。如This pair of shoes looks gre

4、at.與look有關(guān)的短語：look like看起來像。他看起來像他的爸爸。look the same 看起來一樣 look for 尋找 look after 照顧 照看6.I will take it.我要買下來。 購物常用語。take 翻譯成買下來。此處不用buy,因?yàn)閎uy是買。句型是buy sb sth. = buy sth. for sb.為某人買某物。請舉例。從某處買某物 buy sth. from sp 例句：他在酷先生服裝店里買了一些衣服。 it指代上文中的單身。如果是復(fù)數(shù)，記得要用them。7.Two dollars for one pair and three dolla

5、rs for two pairs.一雙兩美元兩雙三美元。 此處for表示價(jià)格，用法是 價(jià)格+for+具體物品 for的另一種用法是用在價(jià)格前，表示交換。如We have yellow sweaters for only 25 yuan.8.Come and buy your clothes at our great sale.來買衣服吧! 我們在大甩賣. and此處表目的。Come的目的是來buy your clothes. clothes衣服，沒有單數(shù)形式。不能用one two three 等具體數(shù)詞修飾，但可用these some 等修飾。 at our great sale，在

6、我們大甩賣的時(shí)候。9.We sell all our clothes at very good prices.我們以非常好的價(jià)格出售我們所有的衣服。 sell是動(dòng)詞，出售。而sale是名詞，兩者要區(qū)分清楚。sell sb sth.= sell sth. to sb.all our clothes 我們所有的衣服，all 和 our都修飾名詞clothes。注意，all與其他限定詞連用，一起修飾名詞時(shí)，放在最前面，又叫排頭兵。如：all the students all her clothes all these rooms 以的價(jià)格，用介詞at。at very good / high / lo

7、w prices 以非常好/高/低的價(jià)格 具體的價(jià)格前可用for 如，We sell all our clothes for 10 yuan each.10.For boys, we have black trousers for only $22.對于男孩們，我們有黑色的褲子僅售22美元。for 對于。For boys,對于男孩們。for 用在價(jià)格前表示交換，此處不能用are。比較：The black trousers are only $22.11.For girls, we have skirts in purple for only $20.對于女孩們，我們有紫色的裙子僅售20美元。

8、skirts in purple,紫色的裙子。in purple,顏色前面用介詞in,介詞短語作定語用在所修飾詞的后面。We have skirts in purple =We have purple skirts.但不能說成 We have in purple skirts.12.Come to Mr. Cools Clothes Store now.現(xiàn)在就來酷先生服裝店。 come 來，來到。，用come to，如come to my home come to school Mr. Cools Clothes Store 是專有名詞，所以每個(gè)單詞的開頭字母都得大寫。有名字的店鋪前不加the

9、。13.How about these purple ones.這些紫色的怎么樣？ 這些紫色的，是復(fù)數(shù)形式，所以不能用one。需要在它的后面加復(fù)數(shù)。重點(diǎn)詞匯解析：1. much pron& adj. 許多 大量 修飾不可數(shù)名詞I dont have much money.比較：many 許多 修飾可數(shù)名詞復(fù)數(shù) There are many students in this room.比較some 既可以修飾可數(shù)名詞復(fù)數(shù)也可以修飾不可數(shù)名詞 some money some studentshow much how many 多少How much water do you drink? H

10、ow many books do you read?2.pair c 一雙 一對 pairsa pair of shoes / socks / earringsHow much are those socks? They are eight yuan.How much is that pair of socks? Its eight yuan.3.need 需要 v + n. + to do I need a car. / a pair of shoes.I need to learn English.What do you need?聯(lián)想：want would like4. 14 fourteen 40 forty 19 nineteen 90 ninety個(gè)位和十位之間必須有連字符 twenty-eight thirty-four28.price c 價(jià)格 復(fù)數(shù) prices How much is this book ? Its 20yuan. Whats the price of this book? Its 20yuan. How much are these books? Theyre 20yuan. Whats the