One day the great poet Ferdousi (a)___by Sultan Mahmood to (b) ___ Shahanama in honour of the Sultan. The Sultan (c) ___o pay Ferdousi a gold coin for each verse. Ferdous! (d)___ the and it (e) __found (f) ___sixty thousand verses. Now Sultan (g)___to pay sixty thousand gold coins. He (h)___to pay silver coins instead of gold coins. The poet (i)___ to take silver coins and (j)___ to his village.

We are not ungrateful to the freedom fighters.

Their contribution is the greatest thing. 

An imperative sentence expresses a command, request, advice, or suggestion. It typically starts with a base form of a verb, and the subject 'you' is often understood but not stated. To form a negative imperative, 'Do not' or 'Never' is placed at the beginning of the sentence.

In the given sentence, "You should never disrespect or forget our martyrs," 'should never' indicates a strong suggestion or advice against an action. To transform this into an imperative sentence, we remove the implied subject 'you' and the auxiliary 'should', directly starting with 'Never' to convey the strong negative command or advice.

Our government has built the national memorial with a view to paying tribute to their memories. 

 (e) A freedom fighter is greater than any other son of the soil.

Our independence was got/gotten by us for their sacrifice.