1. Yesterday, my class (visit) a cultural museum in Rabat.
2. Last month, the students (participate) in the environmental campaign.
3. Two days ago, she (learn) how to use the new technology.
4. During the conference, many women (attend) leadership workshops.
5. In our previous lesson, we (study) about human rights.
6. Three years ago, the government (build) new schools in rural areas.
7. Last weekend, my friend (write) a story about Moroccan traditions.
8. At the beginning of the year, they (not/understand) the importance of recycling.
9. (you/watch) the documentary about migration on TV last night?
10. During the school event, the comedian (make) everyone laugh.

1. After the musicians (start) playing, we arrived at the festival.
2. Before the class ended, all students (complete) their homework.
3. When I met Fatima, she (already/study) English for five years.
4. As soon as we (plant) trees, it started to rain.
5. By the time they reached the bus stop, the bus (already/leave) the station.
6. Before she received the award, my friend (work) on her science project for months.
7. Until last year, the scientist (not/discover) anything significant during his research.
8. After I (learn) about sustainable development, I changed my daily habits.
9. When the play began, we (already/arrive) at the theater.
10. Because someone (take) her book, she couldn't study for the test.

1. By next summer, I (finish) all my exams.
2. In ten years' time, scientists (find) solutions to many environmental problems.
3. Before the end of the month, she (complete) her research project.
4. By the time you arrive tomorrow, we (prepare) everything for the presentation.
5. This time next year, our school (build) a new computer lab.
6. After spending two years studying, we (earn) our baccalaureate diplomas.
7. Within the next decade, the government (construct) more hospitals in rural areas.
8. In 50 years, the world (change) dramatically.
9. Until next summer, they (not/finish) the cultural center.
10. By the time you become a teacher, education (become) more technology-based.
11. Before we meet again next month, I (read) the entire book on traditional crafts.
12. At this rate, in two weeks, the students (memorize) all the vocabulary needed for the exam.
13. Prior to your graduation ceremony, you (develop) all the skills needed for your future job.
14. Come this time tomorrow, we (solve) all these environmental problems together.
15. On completion of this project, our team (work) together for exactly one year.

1. By the time the conference begins next month, I (complete) all my research presentations.
2. She (arrive) late to the meeting yesterday because her car (break) down on the highway.
3. In five years, scientists (develop) a vaccine for this disease that has troubled us for so long.
4. When he (enter) the room, everyone (already/leave) for the celebration.
5. The construction team (finish) building the new bridge before the rainy season (start) last year.
6. Last week, we (discover) that someone (steal) our research data from the laboratory.
7. By the time you graduate, you (acquire) all the necessary skills for your future career.
8. They (not/attend) the ceremony because they (receive) the invitation too late.

1. The teacher grades the test every week.
The test by the teacher every week.
2. The teacher grades the tests every week.
The tests by the teacher every week.
3. She waters the plant daily.
The plant by her daily.
4. She waters the plants daily.
The plants by her daily.
5. They are building a new shopping mall downtown.
A new shopping mall downtown.
6. They are building new shopping malls downtown.
New shopping malls downtown.
7. The chef is preparing a special meal for tonight.
A special meal by the chef for tonight.
8. The chef is preparing special meals for tonight.
Special meals by the chef for tonight.
9. The storm damaged a house in the neighborhood.
A house by the storm in the neighborhood.
10. The storm damaged several houses in the neighborhood.
Several houses by the storm in the neighborhood.
11. Leonardo da Vinci painted the Mona Lisa.
The Mona Lisa by Leonardo da Vinci.
12. Leonardo da Vinci painted masterpieces.
Masterpieces by Leonardo da Vinci.
13. The security guard was watching the entrance when the incident occurred.
The entrance by the security guard when the incident occurred.
14. The security guards were watching the entrances when the incident occurred.
The entrances by the security guards when the incident occurred.
15. The team was developing a new product last year.
A new product by the team last year.
16. The team was developing new products last year.
New products by the team last year.
17. Someone has stolen my bicycle.
My bicycle .
18. Someone has stolen our bicycles.
Our bicycles .
19. The university has accepted his application.
His application by the university.
20. The university has accepted their applications.
Their applications by the university.
21. The audience had left the theater before the actor finished his speech.
The theater by the audience before the actor finished his speech.
22. The audiences had left the theaters before the actors finished their speeches.
The theaters by the audiences before the actors finished their speeches.
23. The bank had approved the loan before he changed his mind.
The loan by the bank before he changed his mind.
24. The banks had approved the loans before they changed their minds.
The loans by the banks before they changed their minds.
25. They will announce the winner tomorrow.
The winner tomorrow.
26. They will announce the winners tomorrow.
The winners tomorrow.
27. The committee will select a finalist.
A finalist by the committee.
28. The committee will select finalists.
Finalists by the committee.
29. You should finish this assignment by Friday.
This assignment by Friday.
30. You should finish these assignments by Friday.
These assignments by Friday.
31. They must submit the document before the deadline.
The document before the deadline.
32. They must submit all documents before the deadline.
All documents before the deadline.
33. We might postpone the meeting due to bad weather.
The meeting due to bad weather.
34. We might postpone the meetings due to bad weather.
The meetings due to bad weather.
35. You can solve this problem in many ways.
This problem in many ways.
36. You can solve these problems in many ways.
These problems in many ways.
37. They could deliver the package tomorrow.
The package tomorrow.
38. They could deliver the packages tomorrow.
The packages tomorrow.