[ Passive Voice in Past and Present Tense ]
They didn’t make their beds.
A. Their beds are not made by them.
B. Their beds was not made by them.
C. Their beds were not made by them.
D. Their beds were not made by them.

Random Topics:
Grammar and Sentence StructureThe Future Simple TenseMixed TensesAdjective or AdverbZero ConditionalFuture Tense - will and going toModals of Speculation and DeductionAdjectiveSo, Such, Many, MuchPresent Perfect or Past Simple TenseOther quiz:
Adverb › ViewMatch the question to the answer:
How do you make this cake?
A. Just by chance, she helps me.
B. No. In fact, we don’t know how it works.
C. Well, luckily, my neighbor had them.
D. Basically, you mix together the fruit, butter, and some sugar.
Grammar › View
When did you go to that restaurant?
A. Spaghetti
B. Last night
C. with Jane
D. about 30 minutes
Grammar › View… many times every winter in LA.
A. it’s snowing
B. it snowed
C. it snows
D. it’s snow
Grammar › View
A nest of hornets (was, were) in the barn.
A. was
B. were