Both are grammatically correct, but the one that would be more familiar to English speakers would be "Unknown Title," since an adjective comes before a noun (usually).
"She did not have" is the proper grammar.
No- although sometimes it is important and proper grammar to underline, italicize, or put quotation marks around the title.
"Don't it" is not proper grammar. The correct form is "doesn't it".
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.
If that is the course title, you do capitalize it.
It's you are, you is is not proper grammar.
yes