Amna does not wash clothes on Monday:
Passive form of the sentence is:

A. Clothes are not being washed by her on Monday.
B. Clothes are not washed by her on Monday.
C. Clothes were not washed by her on Monday.
D. Clothes were not being washed by her on Monday

ACTIVE VOICE: Amna does not wash clothes on Monday

PASSIVE VOICE: Clothes are not washed by her on Monday.