I don't have heart和I have't heart有什么区别

I don't have heart和I have't heart有什么区别
I don't have heart和I have't heart有什么区别

I don't have heart和I have't heart有什么区别
当have作使役动词表示拥有的时候否定前面用don‘t,例如：I don't have heart.
当have在完成时态时里时用haven’t,例如：I haven't eat my breakfast.我还没过早