Road accidents have recently become (a)___regular phenomenon in our country. As a result of the accidents, many persons fall a victim (b)___ untimely death. It is reported that most of the accidents occur (c)___ the violation of traffic rules by (d)___unskilled drivers and unconscious passers-by. Many unlicensed and faulty vehicles also endanger (e)___ passengers and (f)___ passers-by. So, in order to save us (g)___ the accidents, (h)___  government is trying to create awareness (i)___the people and has passed strict laws (j)___ the accused.

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.