7AUnit6Grammar.doc

7A Unit6 Grammar 预习目标 明确目标才能抓住重点呦！ 了解可数名词和不可数名词的分类以及可数名词复数的变化规则。 初步了解there be 句型预学热身 你准备好了吗？预习课文前，请初步了解本课时的词汇并完成以下练习（英译汉）。1. story n. _ 2. potato n. _3. shelf n. _ 4. knife n. _5. sheep n. _ 6. salt n. _7. tea n. _ 8. kilo n. _9. buy vt _ 自主探究，请带着下面这些问题阅读教材。 可数名词复数是怎样构成的？重点练习1. What can I do for you? Id like two _.A. bottles of orange B. bottle of orangesC. bottles of orange D. bottles of oranges2. There _no milk in the fridge. Could you get some for me, Dick? All right, Mum.A. is B. are C. was D. were3 How many _ do you need to buy? A. chicken B. kilos of chicken C. kilo of chickens D. kilos chicken教材导读 一起来探究，你能掌握这些知识要点吗？1. 可数名词复数的构成 知识点：可数名词复数的变化指点迷津 (1) 一般在词尾直接加“-s”，读/s/。如：book-books, banaba-bananas。 (2) 以-s,- sh, -ch, -x结尾的名词，在其后面加上“-es”，读 /iz/。如：bus-buses, wish-wishes。(3) 以辅音字母+y结尾的名词，改y为i，再加“es”，读 /iz/。如：story-stories， baby-babies。(4) 以 f或-fe结尾的名词，一般去f或fe加“-ves”，读/vz/。如：half-halves，knife-knives。(5) 以-o结尾的名词，在其后面加上“-es”或-s，读/s/。如：tomato-tomatoes ，photo-photos。(6) 少数名词的复数形式是不规则变化。如：man-men, woman-women, child-children, sheep-sheep, policeman-policemen, fish-fish。小试身手 写出下列名词的复数形式1. woman _ 2. family _ 3. watch _4. box _ 5. knife _ 6. radio _7. sheep _ 8. desk _ 9. glass _4. I think we need some Coke and three cartons of milk. 我想我们需要一些可乐和三盒牛奶。 知识点：不可数名词的用法指点迷津 前面不能直接加数词的名词，也就是说需要借助其他名词来表示量的名词为不可数名词。如：rice, meat, tea, cotton等。在使用不可数名词时，应注意以下几点： 1. 不可数名词前不能直接加数词或a/an。 2. 不可数名词无单复数变化，谓语动词一般用单数形式。 There is some milk in the glass. 杯里有一些牛奶。 3. 能修饰不可数名词的词有：much, a little, little, a bit, some, any, a lot of, plenty of 等，以此来表示不确实的数量。如：much bread 许多面包，a little milk 一点儿牛奶，a lot of work 许多工作。 4. 表示具体的数量时应用“表示单位的词+of结构。 I buy two kilos of meat. 我买了两公斤肉。小试身手 汉译英 他吃了三片面包。 He has _ _ _ _.课堂达标检测 尝试练习 相信你能行！一、用所给单词的适当形式填空。 1. Look, a lot of _ ( child ) are playing badminton in the playground.2. Can I help you, Sir? Yes, Id like to buy some _ ( shelf ).3. The old man usually tells us some _ ( story ).4. There are three _ ( sheep ) on the top of the hill now.5. Here is a card for you, with my best _ ( wish ).6. Here is a pair of sorts shoes and two _ ( watch ) in his locker ( 柜 ).7. Do you do any sports _ ( activity ) every day? Yes, I usually play ball games after school.8. We should brush our _ ( tooth ) twice a day.二、There be结构专项练习，请用is或are填空。1. There _ some bread in the basket.2. There _ many rulers on the desk.3. There _ a red box on the chair.4. There _ some boys and girls in the playground.5. There _ a bottle of juice on the table.6. There _ four cartons of milk in my desk.7. _ there any kites