七年级英语上册知识点Unit4
Lesson 19
1.Time for breakfast.=It's time for breakfast. 到吃早餐的时候了.
It's time for sth.=It's time to do sth.  到做某事的时候了.
It's time for breakfast.=It's time to have breakfast.
2.What's for breakfast?早餐有什么?(注意三餐前用for)
I would like some bread for lunch. 我午餐想要一些面包.
3.make a sald  做一份沙拉  in salads 在沙拉里
4.一些不可数名词或可数名词都用结构“数词+量词+of+名词”来表示数量,注意计量名词可数,所以有单复数的形式变化.
1) a pair of socks 一双袜子        2)a glass of juice 一杯果汁
3) a cup of tea  一杯茶            4)two bottles of coke 两瓶可乐
5) three cans od coke 三罐可乐    6)two pairs of glasses 两副眼镜
5.would like=want  想要(would like 比want 语气上更委婉)
1)want to do sth.=would like to do sth. 想要做某事(之后动词不定式)
2)want sb. to do sth.=would like sb. to do sth.想让某人做某事(不定式做宾补)
hungry3)Would you like some milk?你想要一些牛奶吗?(该句型中some不变any)
4)Would you like something to eat?你想要一些吃的吗?(something不变anything)
5)Would ? 肯定回答:Yes,please. 否定回答:No, thanks.
6)would可以与主语缩写成'd;句型转换时要还原完全形式.
Lesson 20
1.have to 必须;不得不(单三式has to; to之后动词原形,句型转换时用助动词)
1)I have to go to the supermarket.(一般疑问句)
Do you have to go to the supermarket?
2)He has to go home.(否定句) He doesn't have to go home.
2.be full of 满是...;装满....    It's full of delicious food. 它里面满是美味的食物.
3.look at 看...    Please look at the blackboard. 请看黑板.
4.write down 写下  (之后的宾语是代词时必须放两词中间:代词宾格放中间)
He will write down his name.=He will write his name down.
This ia a word. Please write it down.      write down it(×)
5.Good job.=Well done.干得好. 
6.let  v. 让(之后动词用原形)
Let me see. 让我看看.  Let's go shopping. 让我们去购物.
Lesson 21
1.take sb. to sp.  带某人去某地
He takes me to the park. 他带我去公园.
2.Potatoes are my favourite.=My favourite vegetables are potatoes.
我最喜欢的蔬菜是土豆.
1)favourite 前面是形容词性物主代词或名词所有格.
2)以o结尾的名词加es的有:hero(英雄)tomato(西红柿) potato(土豆)
3.the morning market 早市 fruit and vegetables 水果和蔬菜
Lesson 22
1.be ready for sth.为某事做好准备 Are you ready for school?准备好上学了吗?
be ready to do sth. 准备做某事  Are you ready to order? 准备点菜了吗?
2.名词修饰另一个名词作定语时用单数形式
beef noodles 牛肉面  tomato and egg noodles 西红柿鸡蛋面 apple juice 苹果汁
carrot and egg dumplings 胡萝卜鸡蛋饺子  chicken noodles 鸡汤面
3.No problem. 没问题.
4.How many+名词复数...?    多少....?(提问可数名词数量)
?  ....多少钱? (提问物品价格)
Lesson 23
1.Here is+单数或不可数名词.
Here are+复数名词.    这儿有.... ;这儿是....
Here is some money.  这是一些钱. Here are my pants. 这是我的裤子.
Here are some tips for you. 这儿有一些给你的建议.
2.in the fridge  在冰箱里  over there 在那边
3.Can I help you?=What can I do for you?  有什么需要的吗?
Lesson 24
1.be away for+时间段  离开一段时间
2.人称的顺序(I在最后) He and I 我和他  my brother and I 我和我的兄弟
Your dad and I are away for three days. 我和你爸爸要离开三天.
3.too much 太多(修饰不可数名词)too many 太多(修饰可数名词)
There are too msny people in the park. 公园里有太多的人.
Don't watch too much TV. 别看太多的电视.
4.be short for ..的缩写
TV is short for television.  TV是television的缩写.
配套练习知识点
1.1)hungry  饥饿的  full 饱的;满的 2)long 长的  short 短的;矮的
  3)happy 高兴的  sad 伤心的    4)big 大的  small 小的
2.a little 一点儿(修饰不可数名词) little 几乎没有(修饰不可数名词)
a few 有一点(修饰可数名词) few 几乎没有(修饰可数名词)
3.like doing sth. 喜欢做某事  would like to do sth.想要做某事
4.yuan 元(没有复数)  dollar 美元(有复数dollars)
. 把....放在....上    把....放入....  put on 穿上
6.感官动词是系动词,之后形容词作表语,不用副词.
good  adj.好的  well  adv. 好地      bad adj.坏的  badly adv.坏地
look 看起来  sound 听起来 smell 闻起来  feel 摸起来  taste  尝起来
7.一般现在时
当主语是第三人称单数时,谓语动词用单三式;其余情况动词都用原形.
第一人称:I we  第二人称:you  余下为第三人称

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