Fill in the blanks with suitable words: 

Punctuality is a great virtue. We cannot attain success unless we are (a) ___________ A punctual person completes all his (b) _________ in time. He is honoured everywhere. For being punctual, he does not feel any (c) __________ In fact, he feels (d) _________ because he knows that he can complete his tasks timely. He can also concentrate on other (e) ____________ in a relaxed mood. So, a punctual man is (f) ____________ of  doing any difficult work properly. On the other hand, a lazy person cannot feel easy for a single (g) ___________ as he knows (h) _________ he cannot complete any of his works timely. For this (i) __________, he becomes frustrated and cannot enjoy his (j) __________ fully. 

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.