This is actually a common process in learning languages - over-generalization. We often overgeneralize not only the pronunciation but also the grammar rules.
That is why we need an instructor/a teacher/a tutor to guide us.
1) You got do your homework or not?
2) I cut my hair 3 days ago.
3) You cannot cut the line!
4) Can borrow me your pen?
These are examples of Manglish usage. Do you often say these sentences?
If yes, it's time for you to improve your English. Let's learn standard English! :-D