i don't have got a bike 的否定句型

问题描述:

i don't have got a bike 的否定句型
以上例句老师说是正确的,但网上看到似科don't have got 句型是不对的,只能don't have a bike.
哪个正确啊?

don't have got a bike-------是错误的表达,不管是谁说的.
don't have a bike.------是正确的表达
haven't got a bike -------是正确的表达