There is / There are（有）
There is / There are
用 "there is" 表示某物存在，或描述单数名词或不可数名词。复数名词用 "there are"。在疑问句中把主语和动词位置互换："Is there...?"
何时使用
用 "there is/are" 来引出或说明某物的存在。常用于描述某地有什么东西，或说某物存在（或不存在）。
结构
There is + singular/uncountable nounThere is a supermarket on the corner.
街角**有**一家超市。
There isn't / There aren't + nounThere aren't any seats left.
**没有**剩下的座位了。
Is there / Are there + noun?Is there a bank near here?
这附近**有**银行吗？
信号词
- there is
- there are
- there was
- there were
- there isn't
- there aren't
例句
There is a supermarket on the corner.
街角**有**一家超市。
There are three bedrooms in this apartment.
这间公寓**有**三间卧室。
Is there any milk in the fridge?
冰箱里**有**牛奶吗？
There isn't enough time.
**没有**足够的时间。
There were many people at the concert.
音乐会上**有**很多人。
常见错误
It is a problem with the computer.
There is a problem with the computer.
引出某物的存在用 "there is"，不是 "it is"
There is many students in the class.
There are many students in the class.
复数名词用 "there are"
提示
"is" 或 "are" 与后面的名词一致，而不是 "there"。所以注意后面跟的是什么："There IS a dog"（单数） vs "There ARE dogs"（复数）。