Select the correct active form of the given sentence.
I am often invited by them to join their club.

Correct option is C

The correct active form is (c) “They often invite me to join their club.”
This maintains the subject (they) and reflects the ongoing nature of the invitations.
· Active Voice- Active voice is a grammatical structure in which the subject of the sentence performs the action expressed by the verb.
· Passive Voice- Passive voice refers to a grammatical construction where the subject of a sentence undergoes an action rather than performing it. In passive voice sentences, the emphasis is on the recipient or object of the action.
Conversion rule:
Object + auxiliary verb (is, am, are) + past participle + by + subject -> <- Subject + verb + object.