Select the correct passive form of the given sentence.

Why do we have to do the house chores during this lockdown period?

Why do the house chores have to be done by us during this lockdown period?

The correct passive form of the given sentence is Why do the house chores have to be done by us during this lockdown period?

The active voice of the sentence is Why do we have to do the house chores during this lockdown period? This sentence is in the simple present tense, which is used to describe an action that is happening now or that is happening repeatedly. The passive voice of the sentence is formed by putting the subject of the active sentence after the verb "to be" and the past participle of the main verb. In this case, the subject of the active sentence is "we" and the main verb is "do." The past participle of "do" is "done." So, the passive form of the sentence is Why do the house chores have to be done by us during this lockdown period?

The other options are incorrect because:

• Why will the house chores have to be done by us during this lockdown period? is in the future tense, while the original sentence is in the present tense.
• The house chores are to be done during this lockdown period by us. is in the passive voice, but it does not ask a question.
• Why are the house chores being done during this lockdown period by us? is in the present progressive tense, while the original sentence does not imply that the doing of the house chores is an ongoing action.
• Why do we have to do the house chores during this lockdown period? is the active voice of the original sentence, not the passive voice.