雅思口語(yǔ)：口語(yǔ)常用時(shí)態(tài)there be句型

在英語(yǔ)國(guó)家使用普遍的，不同時(shí)態(tài)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 ...)