Unit8 Grammar focus 课件 2024-2025学年人教版英语八年级上册

Unit 8 How do you make a banana milk shake? Grammar Focus 1 Let’s listen. Let’s review. A: Let’s make fruit salad. B: OK. Do you have bananas? A: Yes, I do. _____ ______ bananas do we need? B: We need ______ bananas. A: That sounds about right. What else? B: Watermelon. A: ______ ______ watermelons? B: Oh, only ______ watermelon. How many three How many one How do we make fruit salad? They can count 1, 2, 3. They are countable nouns (可数名词).. 用法总结： 2.回答可数名词的数量，直接用基数词。 用法总结： 1. 询问可数名词的数量，用how many。 Let’s review. B: And we need some honey. A: _____ _______ honey do we need? B: Let’s see. _______ ________ . A: And ______ ______ yogurt do we need? B: ______ _______. This is going to taste great! How much two spoons How much A cup How do we make fruit salad? They can’t count 1, 2, 3. They are uncountable nouns (不可数名词).. 用法总结： 2. 回答不可数名词的数量，可用基数词 + 单位名词，基数词大于一，单位名词变复数。 用法总结： 1. 询问不可数名词的数量，用how much。 Let’s review. Put the things in the right basket. honey apples yogurt strawberries oranges salt potatoes milk watermelons sugar cheese spoons bananas tea tomatoes How many How much 1. How (much/many) bananas do we need?  2. How (much/many) sugar do we need? 3. How (much/many) bread do we need?  4. How (much/many) tomatoes do we need? 5. How (much/many) cheese do we need? 3a Circle the correct word in each question. n. 糖 n. 干酪; 奶酪 6 How do you make popcorn? 3b popcorn n.爆米花 corn n. 玉米;谷物 machine n. 机器 7 ___ 1. _________ do you make popcorn? ___ 2. _________ corn do we need? ___ 3. _________ do we do next? ___ 4. _________ salt do we need? ___ 5. Now can we eat it? a. Half a cup. b. _____, put the corn into the popcorn machine. c. Yes, we can! d. Next, _____ on the machine. _______, add the salt. e. Just one spoon. How How much What How much First turn Finally a d e c b 8 First, Then, Next, Discuss Finally, Do you know how to plant a tree? dig v.掘(地); 凿(洞) (过去式) dug hole n.洞; 坑 soil n.泥土 dig a hole. put the tree in the hole. put the soil back into the hole. water the tree. 9 plant a tree make beef noodles wash clothes take out a book from the library Write how to do one of the following things. Then tell your partner how to do it. 3c 10 10 Groupwork: 小组派代表到讲台上，讲解如何制作......，本组组员可以给这两位同学提供帮助。看哪一组用时最少，做的最美味。可能用的语言结构： Hello, everyone! Now let me tell you how to make…. First, Next, Then, After that, Finally (At last), Group Using Time Delicious Group1(... team) Group2(... team) (1) 以动词原形开头: (省略主语you, 加上please更客气) Keep quiet in the library, please . Don't speak loudly in the library. (2) Let sb.＋(not) 动词原形 / Don't let sb. +动词原形： Let me think about it. Don't let yesterday use up too much of today. 今日事今日毕。 (3) No＋名词 / 动词ing形式： No photos. No smoking! 祈使句 祈使句可以表达叮嘱, 劝告, 禁止, 请求, 建议或命令等。 12 Look Don't leave Don't be not say Be 13 1. 我们需要多少香蕉？ ______ ______ bananas do we need? 我们需要三只香蕉。 We need _______ _________. 2. 我们需要多少酸奶？ _____ ______ yogurt do we need? 我们需要一茶杯。 We need ___ ____ ____ yogurt. How many three bananas How much one cup of How many / How much…? Grammar Focus Countable nouns 可数名词 Unountable nouns 不可数名词 询问数量“多少” How many +可数名词复数 How much +不可数名词 14 可数名词与不可数名词 可数名词 不可数名词 单复数形式 有单复数之分 没有复数形式 修饰词 a/an，具体数词以及many, few, a few, some, any, a lot of, lots of等 much, little, a little, some, any, a lot of, lots of等以及表示量的短语（a cup/ glass of） 提问（数）量 用how many 用how much 作主语 单数形式作主语，谓语动词用单数形式,复数形式作主语，谓语动词用复数 谓语动词用单数形式 可数名词复数的变化规则规则变化： 如：book------books ，cup-----cups (2)以辅音字母+y结尾的，先变y为i再加es 如：city-------cities ，family-----families (3)以s、x、sh、ch结尾的加es 如：bus-----buses ，wish------wishes ，watch------watches 注意：元音字母+y 结尾的名词，直接在词尾加-s。 如：monkey----monkeys boy----boys (1)一般的名词变复数, 直接在词尾加-s。 如：tomato-----tomatoes，potato------potatoes ， hero-----heroes 如：zoo-----zoos，video------videos ， radio-----radios (4)以o 结尾的名词, 有生命的物质的名词, 加-es 以o 结尾的名词，无生命的物质的名词, 加-s 口诀：英雄（hero）爱吃西红柿（tomato）和土豆（potato） (5)以f或fe 结尾的，先把f、fe变成v再加es 如：leaf----leaves，self---selves，life----lives，thief---thieves 口诀：树叶（leaf）半数（half）自己（self）黄，妻子（wife）拿刀（knife）去杀牛（calf）；架（shelf）后窜出一只狼（wolf），就像小偷（thief）逃命（life）忙）） 可数名词复数的变化规则不规则变化： (1) 元音或词尾发生变化： 如：child--_________, mouse-- _________， man--________, woman--_________, foot--_________, tooth--_________, goose--_________ policeman--___________, Frenchman--_________ Englishman--_________ children mice men women feet teeth geese policemen Frenchmen Englishmen 口诀： 男士(man)、女士(woman)a变e;鹅(goose)牙(tooth)脚(foot)双o双e; 孩子们(child)想去天安门，原形后面r、e、n） (2) 单复数同形： 如：deer---deer fish----fish sheep----sheep Chinese ----Chinese Japanese---Japanese yuan---yuan 口诀：中（Chinese）日（Japanese）警察（police）好友（people）来聚会，鹿（deep）、羊（sheep）、鱼（fish）、牛（cattle）齐齐把家回 注意：(1) glasses, shoes, socks, trousers, gloves等名词往往用复数形式，故谓语用复数。如：The trousers are very cheap and I want to take them. (2) maths, news等虽然有s结尾，但不是复数，因此谓语仍用单数，如：The news is very exciting. 不可数名词 物质名词一般是不可数名词，它们所表示的事物不能用数来计数。如：rice, milk, yogurt, beef, … 1.不可数名词可以用much, a little , a bit of , some, any, a lot of/lots of等表示多少 如：some tea一些茶,a little bread一点儿面包, much meat许多肉，a lot of water大量的水 2.不可数名词的具体数量可以用适当的量词（由普通名词充当）作单位来表示，结构为“数词 + 量词（普通名词）+ of + 不可数名词”。 常用的词有cup(杯),glass(玻璃杯),bottle(瓶),piece(片)，bag（袋）等。其单复数变化就体现在量词上。 a bottle of orange一瓶橙汁, two pieces of meat 两块肉 1.There are many ____there. What's happening? A. money B. car C. people D. water 2. Please add __________ to the soup. A. two salts B. two spoon of salt C. two spoons of salts D. two spoons of salt 3.There is ___ milk in the fridge. I bought it this morning. A. a lot B. many C. some D. a few 4.There's little _____ left at home. Go and buy some, dear. A. tomatoes    B. rice      C. bananas D.vegetable B C D C 21 Lavf57.83.100 Ⅰ.用所给词的适当形式填空 1． (look) at the blackboard, please. 2． (not leave) your homework for tomorrow. 3．It's an important meeting. (not be) late. 4．Let's (not say) anything about it. 5． (be) careful！It's dangerous. $$