雅思口语备考：不同时态的there be句型

　　在英语国家使用普遍的，不同时态的"there be"句型，包括:
　　There was ...
　　There were...
　　There'll be ...
　　There might be ...
　　There used to be ...
　　There's been ...(= There has been ...)
　　There've been ...(= There have been ...)
　　There'd be ...(= There would be ...)