不可数名词(单复数形式不变)
bread， rice， water ，juice etc.
缩略形式
I‘m = I am you’re = you are she‘s = she is he’s = he is
it‘s = it is who’s =who is can‘t =can not isn’t=is not etc
a/an
a book， a peach
an egg an hour
Preposition：
on， in ，in front of， between， next to， near， beside， at， behind.
表示时间： at six o‘clock， at Christmas， at breakfast
on Monday on 15th July On National Day
in the evening in December in winter
基数词和序数词
one - first two-second twenty-twentieth
Some /any
I have some toys in my bedroom.
Do you have any brothers or sisters？
