There would be nothing incorrect in saying drive safe, better to say drive safely.
keep safe
The correct phrase is "get home safely." In this context, "safely" is an adverb that describes how one should get home. Using "safe" would be grammatically incorrect, as "safe" is an adjective.
"That was wrong" is a grammatically correct sentence.
Yes, Almighty God is grammatically correct.
Yes, it is grammatically correct.
keep safe
Both are grammatically correct, but "do not feel" is better usage than "are not feeling."
The correct phrase is "get home safely." In this context, "safely" is an adverb that describes how one should get home. Using "safe" would be grammatically incorrect, as "safe" is an adjective.
"Not like that" can be grammatically correct, depending on the context.
Yes! That is grammatically correct!
Yes, 'for free', is grammatically correct.
This is not grammatically correct. The correct form is 'you do not know', or the abbreviated 'you don't know'.
"That was wrong" is a grammatically correct sentence.
'What a drunkard you are' is a grammatically correct English sentence.
Yes, Almighty God is grammatically correct.
Yes, it is grammatically correct.
Sure. It would also be grammatically correct to write He spoggled his nubbix on the goober. Grammatically correct and meaningful are not the same.