Directions. For numbers 16-20, distinguish which among the following sentences for each number is NOT in past perfect tense.

_____16. A. the fire had reached the roof by the time the firemen arrived.
B. Mimi went to prison because she had stolen a lot of money.
C. Helen went to bed after she had watched her favorite show.
D. Anne was busy yesterday.

_____17. A. Mrs. Ponce taught us about simple past tense yesterday.
B. My father bought the new car after he had tried it a few times.
C. Enzo had eaten all the ice cream before i opened the fridge.
D. There was a lot of snow outside because it had snowed earlier in that day.

_____18. A. By the time Sonia got to the party, everyone had begun dancing.
B. Bea did not pass the test because she had not studied at all.
C. Look! somebody had left the windows open.
D. I found a purse under my table this morning.

_____19. A. By the time the police arrived the thief had broken into my house.
B. The girl felt guilty because she had drunk all the milk.
C. Our house was robbed because we had not locked the door.
D. I just slept all day yesterday.

_____20. A. I reviewed all my lessons last week.
B. My father couldn't find the money because he had hidden it in the drawer.
C. Leo didn't have money for the bus because he had forgotten to ask his mom.
D. My cousin had never visited a zoo until his father took him one day.​