2018 公共英语四级考试语法解析：其它句式

 　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?

　　be 动词

　　(1) Basic form: am/are/is

　　(2) 肯定和否定句 I am(not) from London.

　　My eyes are(not) small.

　　My hair is(not) long.

　　(3)一般疑问句： Am I a Chniese? Yes, you are. No, you aren't.

　　Are they American? Yes, they are. No, they aren't.

　　Is the cat fat? Yes, it is. No, it isn't.