Change to Past Perfect
Complete the Sentence
Error Correction
Which Happened First?
Mixed Tenses
100

They finish the project.

They had finished the project.

100

They ___ (not/finish) the homework yesterday.

did not finish

100

She had wrote the email before class.

had written

100

She had cleaned the room before her mother arrived.

She cleaned the room first.

100

Create a negative sentence in Past Simple using “play.”

I did not play soccer yesterday.

200

She visited Cuenca.

Did she visit Cuenca? 


200

She had never ___ (see) snow before last year.

seen

200

They didn’t went to school yesterday.

didn’t go

200

After they had bought the tickets, they entered the stadium.

They bought the tickets first

200

Create a negative sentence in Past Perfect using “finish.”

She had not finished her homework.

300

By the time we arrived, the movie ___.

had started

300

After they had eaten dinner, they ___ (go) for a walk.

went

300

I had ate breakfast before I left home

had eaten

300

He was tired because he had worked all day.

He worked all day first.

300

Write a sentence using both Past Simple and Past Perfect.

I had eaten before I went to school.

400

He lost his wallet. Then he called the bank

He called the bank after he had lost his wallet

400

I was nervous because I ___ (not/study) for the test.

had not studied

400

After he had finished dinner, he had watched TV.

After he had finished dinner, he watched TV

400

By the time I got to school, the class had started.

The class started first.

400

Which tense is correct?
“After she ___ her homework, she watched TV.”
a) finished
b) had finished  

b) had finished.

500

She had studied before the exam began.

It shows the first action happened before another action in the past.

500

By the time the teacher arrived, the students ___ already ___ (leave).

had already left

500

When we arrived, they already left

When we arrived, they had already left

500

They had practiced many times before they won the competition.

They practiced many times first.

500

Why is this sentence incorrect?
“I had gone to bed and slept early.”

The sequence is unclear/inconsistent. Better: “I went to bed early” or “I had gone to bed before midnight.” 

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