Select the correct passive form of the given sentence.
We mow the lawn once every month.

Correct option is C

The correct passive voice of the given sentence is (c) The lawn is mowed once every month.
Definitions:
· Active voice: The subject performs the action (e.g., We mow the lawn.)
· Passive voice: The subject receives the action (e.g., The lawn is mowed.)
Rules for Conversion from Active to Passive (Simple Present Tense):
Structure:
· Active Voice: Subject + V1 (present) + object
· → We mow the lawn...
· Passive Voice: Object + is/am/are + V3 (past participle) + by + subject (optional)
Correct Passive:
· The lawn = object (now the subject of the passive sentence)
· is mowed = present tense passive form of "mow"
Why Other Options Are Incorrect:
· (a) The lawn was mowed once every month – Incorrect tense (past)
· (b) The lawn has been mowed once every month – Incorrect tense (present perfect)
· (d) The lawn will be mowed once every month – Future tense (not matching original tense)
Final Passive Sentence:
The lawn is mowed once every month.
This is the correct and tense-consistent passive voice.