"Was it your previous address?" is proper grammar. You could also ask "Was this your previous address?" or "Was that your previous address?"
The grammar is correct
No, "will be had" is not a correct grammar. The correct grammar would be "will have."
No, it is correct grammar, not a correct grammar.
"On a train" is correct grammar.
no_____If the sentence is You do do that (meaning You are in the habit of doing that) the grammar is perfectly correct and the sentence 'does have correct grammar'.
"July has just been started" is not correct grammar, instead the correct grammar is "July has just started."
Grammar.
This will be an exciting month is correct grammar.
The grammar is correct as it is.
No. The correct grammar is "would give"
Yes, that is correct grammar.
yes it is correct grammar
The correct spelling is A - grammar.