▲ 谓+主+状 该句型一般用于表达某地存在某物（人）
词序
3 状语
1 谓语
2 主语
3 状语
地址
存在
物或人
地址
词性
介词+名词
名词
介词+名词
注：该结构中的状语可以置于句首或句尾。
1 桌子上 有 一钱包。
某地 there is 某物
● There is a wallet1 on the desk .
=On the desk, there is a wallet.
●There is not a wallet on the desk
●Is there a wallet on the desk?
● There is a wallet钱包 on the desk in the room
on the second floor in the building in the school in BJ.
●There was2 a wallet on the desk .
▲ 一般时态的构成
句型
时态
主系表
谓主状
一般目前时态
is, am, are
there is
一般过去时态
was, were
there was
一般以后时态
will be
there will be
一般过去以后时态
would3 be
there would be
●There is a wallet on the desk .
●There was a wallet on the desk .
●There will be a wallet on the desk .
●There would be a wallet on the desk .
●There is a fool4傻子 from England on the desk in the room on the second floor in the building in the school in BJ.
牢牢记住英语的第2个句型,重中之重是旗帜--------There be的变化
