Its problem is not grammatical, but idiomatic. We say take an exam, or sit for an exam, but we do not say attend an exam. A sentence may be grammatically correct and still wrong.
So you can learn that it is grammatically correct to say exams, not, as you put it, exam
To have grammatically correct and pronounce the word very well.
yes
Yes, saying "taking a meeting" is grammatically correct. It means attending or participating in a meeting.
Not exactly. The correct sentence should be as follows:The class is busy in attending the examination.orThe students in the class are busy attending the examination.orThe students in the class are busy in writing their examination.
"Not like that" can be grammatically correct, depending on the context.
Yes, 'for free', is grammatically correct.
Yes! That is grammatically correct!
The phrase "Is you don't miss me do you" is not grammatically correct. It should be rephrased to something like "Don't you miss me?" to be correct.
The phrase "You are not knowing" is not grammatically correct. Instead, you can use "You do not know" or "You are not aware."
Yes, it is grammatically correct.
Yes, Almighty God is grammatically correct.