to be句型的讲解 there used

there used to be表示“过去常有……”之意，出自there be句型，there be句型中的be动词应随时态和人称变化，有there is， there are，there was，there were，there will be，there has been， there have been，there should be，there must be，there may be，there can be，there used to be，等等，例如：

There used to be some really good stores but lots of them moved out to the mall. 以前/过去是有一些很好的商店，但它们很多都搬到购物中心去了（摘自《网易有道词典》）（本句中，there used to be表示“以前/过去有”之意）

used to do sth过去常常做某事。

there be 句型表示某地有某物，某事有某人。

There used to be a small temple near my school.

在我学校附近曾经有个小的庙宇。

There used to be all kinds of fruit trees on the mountains in my village.

我们村的山上过去有各种各样的水果树。