Multiple Choice
1. While the chef __________ the signature dessert, the kitchen lights suddenly __________.
a. was preparing / went out
b. prepared / were going out
c. was preparing / go out
d. prepares / went out
A. was preparing / went out
Q: Why__________________?
A: The puppy was barking because it saw a strange cat in the backyard.
Why was the puppy barking?
A: (a) Had the mechanics (b) been fixing the engine before the race (c) started?
B: No, they (d) had.
d. (had should be hadn't)
The team felt confident before the championship game because they __________ the opponent's strategy.
a. have analyzed
b. had analyzed
c. were analyzing
d. analyze
B. had analyzed
Q: Where _________________________?
A: My brother was hiking through the Rocky Mountains to test his new gear.
Where was your brother hiking?
Chloe (a) has the opportunity to study abroad, but she (b) turned down the offer (c) because she (d) wanted to stay with her family.
A. (has should be had)
Which sentence uses the past perfect form of the verb to discover?
a. The scientists discover new marine life deep in the Pacific Ocean every year.
b. The marine biologist discovered a rare species of jellyfish during last night's dive.
c. They had discovered the underwater cave system long before the expedition ended.
d. We were discovering incredible coral formations while exploring the reef.
C. They had discovered the underwater cave system long before the expedition ended.
Q: What _____________________________?
A: The architects were designing a sustainable skyscraper for the city center.
What were the architects designing?
I (a) have never (b) heard that beautiful melody (c) until it (d) was performed at the concert.
A. have should be had, because the action happened before another past action.
The detectives __________ the evidence for hours, and right before midnight, they __________ the crucial clue.
a. analyze / found
b. were analyzing / found
c. had analyze / find
d. analyzed / were finding
B. were analyzing / found
(a) By the time the train (b) arrive at the station, the passengers (c) had already (d) lined up on the platform.
b (should be arrived)
Which sentence uses the past perfect continuous form of the verb to trek?
a. The group trekked through the dense jungle for three days.
b. They had trekked across the valley successfully before dark.
c. We had been trekking up the mountain for hours when the blizzard hit.
d. Max treks along the forest trail every weekend.
c. We had been trekking up the mountain for hours when the blizzard hit.
The engineers (a) had (b) been testing the new software for months when the system suddenly (c) crashes.
c (should be crashed)