Yes, it is correct, assuming that the question is asked towards the end of the evening, when the activity has been completed.
Tonight is a common noun so does not change dependant of tense. So something like 'Is is nice out here tonight.' is perfectly grammatically correct.
Yes, Almighty God is grammatically correct.
"That was wrong" is a grammatically correct sentence.
Yes, it is grammatically correct.
This sentence is grammatically correct.
Yes, "be singing" is grammatically correct when used in a progressive verb form to indicate an action that is ongoing or expected to happen in the future. For example, "She will be singing at the concert tomorrow."
This sentence is grammatically correct, but I would recast it as, "My Mom loves the song, 'Heartache Tonight,' by The Eagles."
It is more grammatically correct to say "tonight" or "tomorrow" without the preposition "on." So, you would say "I will see you tonight" or "I have a meeting tomorrow."
The correct sentence is " When you receive the invitation tonight only then will we go together. sounds and looks grammatically alright.
Tonight is a common noun so does not change dependant of tense. So something like 'Is is nice out here tonight.' is perfectly grammatically correct.
Yes, that's a perfectly good sentence.
"Not like that" can be grammatically correct, depending on the context.
Yes, 'for free', is grammatically correct.
Yes! That is grammatically 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.