语法点
1.  be = am / is / are
I 是am
You 是are
is 跟着 他(he)，她(she)，它(it)。
单数is， 复数 are。
   
2.  have  has
我有你有have，(第三人称)单数  has，复数 have。
哪个地方有是There is //There are
 
3.  动词变化
Let’s +动
Don’t+动
Can+动
动+动+ing
在现在进行时： be+动+ing
在一般现在时：worshipping (第三人称) 动+s 
有了does, doesn’t 动词后去掉s
祈使句：
Let’s run.
Don’t run.
肯定句：
I can run.
You can run.
He can run.
They can run.
I am running.
You are running.
He is running.
They are running.
I run every day.
You run every day.
He runs every day.
They run every day.
一般疑问句：
Can you run?
Can he run ?
Can they run?
Am I running?
Are you running?
Is he running?
Are they running?
Do I run every day?
Do you run every day?
Do they run every day?
Does he run every day?
否定句：
I can’t run.
You can’t run.
He can’t run.
They can’t run.
I am not running.
You are not running.
He is not running.
They are not running.
I don’t run.
You don’t run.
They don’t run.