Both may be correct in different contexts.
A simple way to figure this out is finish the sentence.
I arrived earlier than she (did).
I heard him earlier than (I heard ) her.
"She did not have" is the 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 you're referring to actor Kelsey Grammer, then yes, Grammer is a proper noun. If you meant to write grammar, then no, it's not a proper noun.
(B) The word for the application of proper English usage is "grammar".
Yes, "The house is not as cheap as he thought" is proper grammar.
"She did not have" is the proper grammar.
The proper grammar for that sentence is "She was much better than yesterday." This sentence is in the past tense and correctly compares her current state to how she was yesterday.
It is proper grammar to say, "I bet you".
"Don't it" is not proper grammar. The correct form is "doesn't it".
no, that is definitely not proper grammar.
No, it is not proper grammar. The correct phrasing is "you and I."
Because you don't understand proper grammar
No. "Rather than" is wrong. The proper construction is " as well... as."
What was there is proper grammar.
It is proper grammar.
Obviously yes, Because this sentence in proper grammar would be " 'ARE people smarter than sharks?"
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.