Yes guests' is the grammatically correct possessive plural of guest.
For example, "Take the guests' coats and put them in the bedroom."
Yes, "guests'" is grammatically correct. It is the possessive form of the plural noun "guests," indicating that something belongs to or is associated with multiple guests.
The phrase "You are not knowing" is not grammatically correct. Instead, you can use "You do not know" or "You are not aware."
Yes, "He sailed his boat on the river" 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.
No, it is not grammatically correct. The correct way to say it is "your older sister."
No, the grammatically correct sentence would be: "I am annoyed by the way you behave."
Yes it is grammatically correct but it is ambiguous. Were the wedding guests wearing green glasses or was the ice tea served in green glasses? In the first case the sentence would be better to read "Iced tea was served to the wedding guests who were wearing green glasses." in the second case It would read "Iced tea was served in green glasses to the wedding guests."
"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.
"That was wrong" is a grammatically correct sentence.
'What a drunkard you are' is a grammatically correct English sentence.
Yes, "He sailed his boat on the river" 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.
No, it is not grammatically correct. The correct way to say it is "your older sister."