Fill in the blank with the suitable Modal. We _____ to honour our par…

The correct answer is Option (2) → C only

Modal followed by "to":

• The blank is followed by "to honour", so the modal must be one that takes "to" before the verb.
• Ought to expresses moral duty, and it is the only one of the four that is followed by "to".
• Should, shall and will are followed by the base verb without "to".

Complete sentence: We ought to honour our parents.

A. should — Incorrect.

• "Should" also expresses duty, but it takes the verb without "to": "We should honour our parents."
• "Should to honour" is ungrammatical.

B. shall — Incorrect.

• "Shall" expresses future or determination and takes no "to": "shall to honour" is ungrammatical.

C. ought — Correct.

• "We ought to honour our parents" states a moral duty.

D. will — Incorrect.

• "Will" expresses future or willingness and takes no "to": "will to honour" is ungrammatical.

Tip: In this question the options do not follow the order of the statements (Option 1 = A only, Option 2 = C only, Option 3 = D only, Option 4 = B only). NTA often jumbles the options in this way, so after finding the correct statement, read the options carefully and mark the one with the right letter.