Question

I did this once...... and I will do it again

Answer 1

Answer:

I did it once before, and I will do it again.

Answer 2

The correct word to be used is 'before'.

I did this once before, and I will do it again.

* The word 'before' is a preposition and is used to mean- prior to, ahead or in front.

* Prepositions are words used ahead of nouns or noun phrases.

They are used to establish relation between two clauses or two parts of a sentence.

Examples: for, to, of, etc.