Unit8重要知识点讲解2021-2022学年人教版八年级英语上册

Unit8 How do you make a banana milk shake?重要知识点讲解Section A_Grammar Focus_Section B_综合Section A
一、重点表达
turn on  打开
cut up 切碎
peel sth 剥某物
pour...into...将...倒进 Grammar Focus
一、询问对方是如何做某物的句型
How do you make a banana milk shake?你是如何做香蕉奶昔？
[点拨]
"How do you make+某物?"用于询问对方是如何制做某物。

二、描述过程先后的逻辑词
First,peel the bananas.首先，剥开香蕉。
Next,put banana in the blender.接着，把香蕉放进搅拌器里。
Then,pour the milk into blender.然后，把牛奶倒到搅拌器里。
Finally,turn on the blender.最后，开启搅拌器。
[点拨]
First...，Next...，Then...，Finally...意思是“首先...，接着...，然后...，最后...”。常用描述做某件事的先后顺序的词。

三、How many与How much的区别比较
-How many bananas do we need?我们需要多少香蕉？
-We need three bananas.我们需要三根香蕉。
-How much yogurt do we need?我们需要多少酸奶？
-We need one cup of yogurt.我们需要一杯酸奶。
[点拨]
"How many+可数名词的复数+do we need？"用于询问需要多少的可数数量的某物。"How much+不可数名词+do we need?"用于询问需要多少不可数的某物. Section B
一、关系代词who引导的句子作定语
1.At this time,people also remember the first travelers from England who came to live in America about 400 years ago.
在这时,人们也会想起大约400年前第一批从英格兰来到美国居住的漂泊者。
[点拨]
例句中England后面关系代词who引导的句子作定语,修饰名词travelers,我们称这个句子为定语从句。如果被修饰的名词、代词指人,定语从句由who,whom或that引导。 单元综合:1.可数名词[C]与不可数名词[UC]
[C]有复数形式，可以与定冠词a/ an连用    a pen   an orange
[UC]没有复数形式，不可以与定冠词a/ an连用

[C]表示复数意义时可用many，a few等词修饰。如：many apples；a few pens 
[UC]则要用much、a little等词修饰。如： much meat ；little water 
这两类名词都可以被some、any、a lot of(lost of)等修饰。

[C]前面可用具体的数字修饰  three books
[UC]要用“数字+量词+of”修饰  a cup of tea，a piece of paper/ news/ chalk，a bottle of milk

[C]做主语，主谓一致   There is a book and two pens on the desk.
There are two pens and a book on the desk.
[UC]做主语，谓语动词用单数   There is some milk in the bottle. 
[UC]做主语，如果前面有复数名词短语修饰，谓语动词用复数。
There are two bottles of milk on the table.

对[C]提问用how many         How many bananas do we need?
对[UC]提问用how much        How much sugar do we need？

[UC前面有表示数量的名词短语修饰时，提问用how many
How many cups of tea are there on the table?
有的名词，既可以做[C]又可以做[UC]
Fish鱼，鱼类          →鱼肉 
Room房间            →空间
Chicken小鸡           →鸡肉
Orange橙子           →橙汁
Work作品，著作       →工作
Exercise练习，操      →运动，锻炼
Time次数，倍数       →时间
Glass玻璃杯           →玻璃
Paper报纸，论文，试卷 →纸张
Hair几根毛发          →毛发总称
（fish鱼，单复数同形，one fish一条鱼，two fish两条鱼；two fishes两种鱼）

2.关于turn的短语
turn on打开 
turn off关闭  
turn up调大，出现  
turn down调小，拒绝

3.关于put的短语
Put…in/into… 把…放进…里   
put on穿上
put out熄灭     
put down放下    
put up举起，搭建  
put away把…收起来放好  
put off推迟

4.有关make 的短语：
make up编造（故事、谎言）   
make the bed铺床  
make tea沏茶  
make a telephone call打电话   
make one’s way to往…走去
make room for为…腾空间   
make faces做鬼脸  
make (a lot of )money赚（许多）钱  
make a decision做决定   
make sure务必     
make trouble惹麻烦  
make friends交朋友  
make progress取得进步
make a living谋生
make a visit拜访 
make a mistake犯错误
make a noise弄出噪音 
make up one’s mind to do sth下决心  
make it约定时间，及时赶到，做到

5.ten more minutes = another ten minutes    
基数词 + more + 名词 = another + 基数词 + 名词

6.need to do sth.需要做某事
need doing= need to be done需要被…
needn't= don't have to 不必要

 7.关于add的短语
add…to… 把…加到…上
add to增加、添加    
add up 把…加在一起     
add up to 合计
8.be always doing sth总是做某事

9.It's time (for sb) to do sth.    到某人做某事的时候了。
It's time for sth.   到做某事的时候了。
There's no time to do sth 没有时间做某事

10.在here, there 开头的倒装句中，谓语动词与后面的名词在数上保持一致。
Here are some books for you.
Here comes the bus.

主语为代词时，不需要倒装。
Here he comes.

11.fill A with B 用B填充A    
A be filled with B  = be full of   充满….
The boy filled the bottle with sand.
The bag was full of clothes.

12.cover A with B   用B把A覆盖  
A be covered with B  A被B所覆盖 
Ann covered her face with her hands.
Ann’s face was covered with her hands.
cover n.封面，盖子    
The cover of the magazine is nice.

13.serve sb (with) sth
serve sth to sb把某物提供给某人，招待某人某物
serve up 端上食物