It can be, like in the following sentence. There were many firsts in this historic week.
Saying, "I am annoyed of the way you behave.", is grammatically correct.
The correct way form of this is "To love is to endure"
Yes, saying "tomorrow is Tuesday" is grammatically correct as it follows the standard structure of subject (tomorrow) + verb (is) + object (Tuesday).
No, it's having a meeting or attending a meeting (or you might be holding a meeting if you're the boss).
Both are grammatically correct.
no
Saying, "I am annoyed of the way you behave.", is grammatically correct.
The correct way form of this is "To love is to endure"
Yes, saying "tomorrow is Tuesday" is grammatically correct as it follows the standard structure of subject (tomorrow) + verb (is) + object (Tuesday).
Certainly. If one were to make a comparison saying "He can run as quick as a cheetah" then it would be grammatically correct.
No, it's having a meeting or attending a meeting (or you might be holding a meeting if you're the boss).
No. Since "circumspect" is an adjective, "I appreciate your circumspect" is about as grammatically correct as "I appreciate your clean". Saying "I appreciate your circumspect behavior" is correct, similar to "I appreciate your clean appearance".
Both are grammatically correct.
No, it is not grammatically correct to say, 'revert back to'. You would simply say 'revert', as in 'Can we revert to the previous subject?' Revert means to go back (to something), so saying 'revert back to' is saying the same thing twice, which is called tautology.
"Not like that" can be grammatically correct, depending on the context.
Yes! That is grammatically correct!
Yes, 'for free', is grammatically correct.