英文 there be 的變體

Question

列如
there be
there have been
there would be......等等

Answer 1

There be
1. There is an apple on the desk.
2. There are apples on the desk.

There have been
1. There have been an apple on the desk since 6 am today.

There would be
1. Ten years ago, the scientist said there would be a terrible terrorist attack in the US.

** There used to
1. There used to be a tree on the corner of the bank in 2001.

** There must/may/can/could/might/.... (have) be(en)
1. There must been a dog sleeping on the box, because the box was crushed.

**There is going to /There are going to
1. There is going to be a skyscraper around the Sogo department store.
2. There are going to be 3 new desks for us.

2006-08-05 18:36:20 補充：
Correction : Tjere must have been a dog sleeping on the box, because the box now is crushed.