4A各单元知识点小提示英语
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4A各单元知识点小提示
Unit1
like 的用法:
(1) like + 可数名词复数 ,如:I like cakes.我喜欢蛋糕。
(2) like + 不可数名词,如:I like milk.我喜欢牛奶。
(3) like+ this∕that +可数名词单数,表特指。如:I like this dog. 我喜欢这只狗。
Unit2
have 有 通常表示某人有„„
1.肯定句形式:如:I have a mango. 我有一个芒果。
You have some books. 你有一些书本。
2. 疑问句形式:Do you have„? 可以跟单数,如:Do you have a banana?也可跟复数,
比如用到any(一些)的,如:Do you have any bananas?
( any用在疑问句或否定句中,而some则用于肯定句。也有特例,
如:Would you like some pears? Yes, please.你想要一些梨吗?要的。)
3. Do you have„?这个句型的两种回答。肯定回答为:Yes, I do. 否定回答为:No, I
don’t.
Unit3
1. How many后常跟可数名词复数,询问数量。如:
How many cars do you have? I have three.
How many robots do you have? I have ten.
2. Can I have a look? 我可以看一看吗? can在这里表示请求。如:
Can I have one? 我可以有一张吗?
3. have可以与动词同形的名词连用,表示一种动作。如:
have a look 看一看 have a talk 谈一谈
Unit4
1.can 能,会 (情态动词) 否定形式:cannot = can't
肯定句: I can fly. 我会飞。 否定句: I can't fly.我不会飞。
一般疑问句:Can you fly? (回答为:Yes,I can. / No, I can't.)
特殊疑问句: What can you do? 你会干什么?
2.either 也 (用于否定句末尾) 如:I can't swim either. 我也不会游泳。
3.well 修饰动词,表示“好”的意思。如:
I can play football well. 我足球踢得好。
Unit 5
1. where 是一个特殊疑问词,用来询问某物或某人在哪里。如:
Where's my football? It's under the chair. 我的足球在哪里?在椅子下。
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Where are the cakes?They're on the table.蛋糕在哪里?在桌子上。
Where's Miss Li? She's in the kitchen.李老师在哪?她在厨房里。
2.would like 想要,通常用来征求意见。如:
一般疑问句:Would you like an orange?回答为:Yes,please./ No, thank you.
特殊疑问句:What would you like?I'd like an ice cream.
I'd like是缩略形式,完整形式为 I would like 我想要。
3. How are you?你好吗?常用于询问身体,学习等情况。回答较灵活:I'm fine/ very
well/ OK. 等等。
Unit 6
1.What about„.? 用来征求别人的意见。如:
What about an apple? 来个苹果怎么样?也可以用How about…?来替代。
2. Anything else? 还要些什么?通常是服务员或营业员询问顾客的话。如:
——A hot dog, please. 请给我个热狗。
——Anything else? 还要别的东西吗?
——Some rice, please. 请给我一些米饭。
3. “Can I help you? 我能帮你吗?” 是营业员或服务员询问顾客的句子。还可以用
What can I do for you? 我可以为你效劳吗?来替代。顾客通常用I'd like„句型来回
答。
Unit 7
1.How much„?这是询问价格的常用语。如果物品是单数,可以问,如:How much
is it?It's five yuan.如果物品是复数,可以问,如:How much are they?They're twenty
yuan.
2.Well done. 干得好。 常用来赞美别人某事做得好。
3.数词的表达:
1-12:one, two, three, four, five, six, seven, eight, nine, ten,eleven,twelve.
13-19:thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen.
整十数20-90:twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety.
④21-99中是“几十几”的数字,只要 先说“几十”,再说“几”,中间加连字符。如: 21 twenty-one;
83 eighty- three.
Unit 8
1. 人称代词和物主代词
人称代词 I you he she it we you they
物主代词 my your his her its our your their
2. 人称代词的主格和宾格
主 格 I you he she it we you they
宾 格 me you him her it us you them
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