英语公式

英语公式有：

1、a+单数量词＋of+复数可数名词。

a basket of eggs.

一篮子鸡蛋。

2、a+单数量词＋of+不可数名词。

a piece of chalk.

一支粉笔。

3、数词＋复数量词＋of+不可数名词。

two glasses of milk.

两杯牛奶。

4、单数名词词尾＋’s表示所属。

the children’s toys.

儿童玩具。

5、名词＋of+名词的’s所有格。

I have only read four books of Dickens’．

我只看过狄更斯的四本书。

小学英语必背公式如下：

she is interested in swimming in the river.

My btother is interested in Chinese.

she was pleased to help the old man yesterday.

be pleased with sth.对某事感到高兴／满意.

the teacher was pleased with my answer.

be interested in sth/doing sth.对某事感兴趣／对做某事感兴趣.

be glad/happy to do sth.高兴去做某事.

she is happy to clean the blackboard with me.

小学英语必知的语法：

情态动词本身就具有一定的词义，但要与动词原形以及其被动语态一起使用，给谓语动词增添情态色彩，表示说话人对有关行为或事物的态度和看法，认为其可能、应该或必要等。情态动词后面加动词原形。

情态动词不能表示正在发生或已经发生的事情，只表示期待或估计某事的发生。

情态动词除ought 和have外，后面只能接不带to的不定式。

情态动词不随人称的变化而变化，即情态动词的第三人称单数不加-s。情态动词不受任何时态影响即不加三单。

情态动词没有非谓语形式，即没有不定式、分词等形式。

1. It's time for sth.到……的时间了。It's time to do sth.到做某事的时间了。It's time for lunch.到午餐时间了。It's time to have lunch.到吃午餐的时间了。2. too…to…太……而不能……He is too young to carry it.他太小了搬不动。3. so…that…如此……以至于……He is so busy that he has no time to do it.他太忙了，没有时间做这个。4. Why not +do…?为什么不做某事呢？Why not join us?为什么不加入我们呢？5. How about +sth./doing sth.?……怎么样？How about going out for a walk?出去散步怎么样？6. What about +sth./doing sth.?……怎么样？What about having a picnic?去野餐怎么样？7. Would you mind doing sth.?你介意做某事吗？Would you mind helping me?你介意帮我一下吗？8. Would you please (not) do sth.?你可以（不）做某事吗？Would you please nurse the baby for me?你能帮我照顾小孩吗？