therebe句型一、there be句型:
表示存在,即: “某处有某物(或人) ”或“某时有某事 ”
句型基本结构:
There is + 可数名词单数或 不可数名词+ 时间或地点
There are + 可数名词复数+ 地点1、在 there be 句型中,主语是单数, be 动词用 is ; 主语是复数, be 动词用 are ; 如有几件物品, be 动词根据最接近 be 动词的那个名词决定
例如:(1 )There is a pen on the desk
(2)There are two books on the desk
(3)There is a pen and two books on the desk
(4)There are two books and a pen on the desk
2、there be 句型的否定句在 be 动词后加 not , 一般疑问句把 be 动词调到句首
例如:(1 )否定句: There is not a box on the table
疑问句: Is there a cat in the room
否定句: there are not any oranges in the box
疑问句: Are there any oranges in the box
3、some 和 any 在 there be 句型中的运用: some 用于肯定句,any 用于否定句或疑问句
例如:(1 )There are some rulers in the pencil-box
(2)There are not any rulers in the pencil-box
(3)Are there any rulers in the pencil-box
4、and 和 or 在 the