"Don't it" is not proper grammar. The correct form is "doesn't it".
"She did not have" is the proper grammar.
It is proper grammar to say, "I bet you".
no, that is definitely not proper grammar.
No, it is not proper grammar. The correct phrasing is "you and I."
What was there is proper grammar.
It is proper grammar.
There are many grammar practice websites that will help people learn proper English grammar. These are necessary since many people have no idea what proper grammar is these days.
yes
No
It's you are, you is is not proper grammar.
It's you are, you is is not proper grammar.
It's you are, you is is not proper grammar.