Tense and aspect — present perfect progressive (ongoing action): Improve the sentence for natural usage. Original sentence: "The courts are actively to safeguard the interests and the rights of the poor." Choose the best correction.

Given data

• Meaning: courts have been engaged in an ongoing action of protection.
• Original structure "are actively to safeguard" is malformed.

Concept/ApproachUse present perfect progressive (have been + V-ing) to show continued activity up to the present: "have been actively safeguarding".

Option analysisB. "have been actively safeguarding" → correct tense/aspect and adverb placement. ✔A/C/D → ungrammatical or awkward prepositional structures; not idiomatic.E → keeps the error.

Corrected sentence"The courts have been actively safeguarding the interests and rights of the poor."

Common pitfallsAvoid inserting "to" after are unless forming a passive infinitive construction (not needed here).

Final Answerhave been actively safeguarding