✏️ 10 Past Perfect Exercises with Solutions
2nd Year BAC Sciences et Technologies Elécriques STE
1️⃣ Form Construction
Convert these verbs to Past Perfect:
| finish → | see → |
| write → | do → |
2️⃣ Time Sequence
Complete with Past Perfect + Simple Past:
“After I ___ (complete) the experiment, I ___ (write) the report.”
3️⃣ Negative Forms
Make these sentences negative:
“She had visited the lab before.” →
“They had finished the project.” →
4️⃣ Questions Formation
Convert to questions:
“He had checked the results.” →
“They had prepared the samples.” →
5️⃣ Time Expressions
Add suitable time expressions:
“The team had completed the research ___ the deadline.”
“___ we arrived, the lecture had already started.”
6️⃣ Error Correction
Find and correct the mistakes:
“When I got to the station, the train already left.” →
“She had went home before I called.” →
7️⃣ Mixed Tenses
Choose between Past Perfect and Simple Past:
“After they ___ (publish) the findings, other scientists ___ (verify) them.”
8️⃣ Conditional Sentences
Complete these Type 3 conditionals:
“If you ___ (follow) the protocol, you ___ (get) better results.”
9️⃣ Reporting Past Events
Convert to reported speech:
“I had never seen such results before,” the researcher said. → The researcher said that…
🔟 Comprehensive Challenge
Write a short paragraph using Past Perfect at least twice:
Prompt: Describe what had happened before you arrived at an important science competition.
