Question

there is 和 have 有何区别?

Answer 1

there is + 名词单数做主语：

------ There is a book on the desk.

there are + 复数名词做主语

------ There are a few books on the desk.

主语+ have / has - - - - -

We have a good time when we stay with you.

Tom has a new bike from his uncle.