八年级的一些英语单词用法

Question

△need
△had better
△mix it/them up
△add it/them to
△cut it/them up
△pay attention to
△why not
△How many.......
△How much.......
△good for nothing
(有点多了，大哥大姐，拜托了，小女子感激不尽！！！！！详细！！）

Answer 1

1.need to do sth 需要做什么
need sth 需要什么东西
He needs to come here. 他需要到这来.
I need a ruler. 我需要一把尺子．

2 .sb had better do sth 某人最好干什么

3.mix it/them up
Please mix them up. 请把他们搅匀.
Mix the up sugar and coffee .把糖和咖啡搅匀.

4. add it/them to sth 把某某加到...
Add 9 to ten. 在10的基础上加上9.

5.cut it/them up 把．．切碎
Cut up the vegetables. 把蔬菜切碎．

6．pay attention to sth 注意．．．
Pay attention to the road signs.
注意路标．

7．why not=why don't you 为何不．．．
Why not help him?
为何不帮帮他呢？

8．how many 多少 修饰可数名词
how many booke are there in the bag?
包里有多少书？

9．一．How much 多少 修饰不可数名词
How much water is there in the bottle?
瓶子里有多少水？
二．how much 提问价格：
How much is the book? 这本书多少钱？

10． good for nothing ，没有用的东西
That pen is good for nothing.
那个钢笔已经没用了．

Answer 2

我也是8年级``嘿嘿
1。need做实意动词时+to do sth.做情态动词时+动词不定式。
2 had better do sth./not do sth.
3 mix it/them up
add it/them to
cut it/them up 就这样
4 pay attention to do sth.注意做谋事
pay attention to sth.注意某事
5 why not do sth.?=How about doing sht. =What about doing sth.=Why don't you do sth.
5How many+可数
6 How much+不可数
7 good for nothing nothing复合形容词后置
差不多是这样了吧？？累```做作业去喽`本回答被提问者采纳

Answer 3

1。need做实意动词时+to do sth.做情态动词时+动词原形
2 had better do sth./not do sth.最好（不）做某事
3 mix it/them up 把它（们）搅拌到一起，如果是宾格it 或them,必须放在中间
add ... to...:把。。。加到。。。里
cut it/them up 把它（们）切碎
4 pay attention to do sth.注意做某事，集中注意力去做某事
pay attention to sth.注意某事，集中注意力在某事上
5 why not do sth.?=How about doing sht. =What about doing sth.=Why don't you do sth. 为什么不去做某事呢？（这是提建议的一种方式）
5How many+可数名词复数
6 How much+不可数名词，或者用来提问物品的价格，
如how much is the book?这本书多少钱？
7 good for nothing 没有用的，

Answer 4

need前面加主格
had better后面加动词
why not后面加物品词

就知道这些了