Yes, saying "repeat twice" is correct in the context of giving a specific instruction to do something twice in a sequence. It is a clear and concise way to communicate the desired action.
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.
The word for saying the same thing twice is "redundancy."
The correct spelling is "saying." It is a present participle form of the verb "say."
No, the saying "to love is endurance" is not grammatically correct. It should be "to love is to endure" or "love is endurance."
"Try saying three tall trees" is correct.
It is indeed possible to repeat a grade twice. You will repeat the same grade until you improve.
That is the correct spelling of the verb "repeat" (to do or say again).
No it is not correct usage. Dawn is already referring to morning therefore you are saying morning twice. Stick with just dawn or just morning.
No
repeat re-do duplicate
Yes, depending on context.
no the correct statement is is homophoious
The correct saying is "in good conscience."
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.
The correct spelling is "repeat." (to do again)
Scientists repeat their experiments because to make sure that their results are correct.
Scientists repeat their experiments because to make sure that their results are correct.