英语语法there is /are

在表示 存在，有……的 句子时用这个句型

比如：桌上“有”一个苹果

翻译为 There is an apple on the table.

there is /are 表示 有……，……在
e.g. There is a vase on the table. 桌子上有一只花瓶。
e.g. There was a fire near here last night. 昨晚这儿附近失火。

There is +可数名词单数/不可数名词
There are +可数名词复数
There is /are 表示 存在，有……

存在有～