As in someone trying to remember where they left off, "Where was I?" is correct, yes.
Yes it is a grammatically correct
This is not grammatically correct. The correct form is 'you do not know', or the abbreviated 'you don't know'.
'Rhoda's crazy' 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.
I am, you are, he/she/it is, we are, they are.
The grammatically correct statement is "She does not have her book." In English, the verb "have" is used as an auxiliary verb in negative sentences, so the correct form is "have" instead of "has."
"Not like that" can be grammatically correct, depending on the context.
Yes, 'for free', is grammatically correct.
Yes! That is grammatically correct!
Yes it is a grammatically correct
This is not grammatically correct. The correct form is 'you do not know', or the abbreviated 'you don't know'.
'What a drunkard you are' is a grammatically correct English sentence.
Yes, it is grammatically correct.
Yes, Almighty God is grammatically correct.
"That was wrong" is a grammatically correct sentence.
'Rhoda's crazy' is grammatically correct.
"For free' is grammatically correct. It is an idiom of the English language.