Most of the students of our country are expert in(a)___ answers. They do not (b)___notes themselves. They get them (c)___ by their tutors. Their tutors (d) ___ their brain for the students. So, the (e)___  power of the students does not (f)___ They do not have any (g)___ of their language. They, of course, (h)___well in the examination. But for this, they can (i)___no cradit of their own.This result does not (j)___ them in their later life.

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.