three be句型和has的区别

there be 句型 表示客观存在性的有,比如：there is a book on the desk.there are some water in the bottle.一般指无生命的.
而have表示主观性的有.一般指有生命的有.比如：I have two books.
she has many beautiful dress.
A tiger has one tail.
and so on!