Complete the following text with right forms of the verbs given in the box. 

understand

form

consider

owe

take

respect

succeed

acquire

admit

forget

 In an educational institution teacher-student relationship is (a) ------ to be the most important matter. It is such a relationship that is (b) ------ on the basis of mutual (c) -----. A student always (d) ------ to his teachers because he cannot but (e) ------ help from them in case of (f) ----- knowledge. The sensible students never (g) ------ their teachers.Moreover, they (h) ----- their memorable teachers' role which helps them (i) ----- In life. So, they always (j) -----  their teachers.

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.