It can be, like in the following sentence. There were many firsts in this historic week.
No, "firsts" is not grammatically correct. It should be "first."
No, the grammatically correct sentence would be: "I am annoyed by the way you behave."
No, the saying "to love is endurance" is not grammatically correct. It should be "to love is to endure" or "love is endurance."
Yes, saying "tomorrow is Tuesday" is grammatically correct as it follows the standard structure of subject (tomorrow) + verb (is) + object (Tuesday).
Yes, saying "taking a meeting" is grammatically correct. It means attending or participating in a meeting.
"Try saying three tall trees" is correct.
No, the grammatically correct sentence would be: "I am annoyed by the way you behave."
no
No, the saying "to love is endurance" is not grammatically correct. It should be "to love is to endure" or "love is endurance."
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. 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".
"Try saying three tall trees" is 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, '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.