🔧 Modal Verbs Mastery
10 Interactive Exercises for BAC Sciences et Technologies Elécriques STE
Exercise 1: 🧩 Function Matching
Match each modal verb to its primary scientific function:
1. Must
2. Can
3. May
4. Should
Exercise 2: 🧪 Lab Safety Completion
Fill in the lab safety rules with correct modals:
1. “You wear goggles at all times.”
2. “Students run in the laboratory.”
3. “This chemical cause skin irritation.”
Exercise 3: 📊 Probability Ranking
Order these from most (1) to least (4) certain:
Exercise 4: ✏️ Error Correction
Correct the modal verb mistakes:
1. “You can to wear gloves” →
2. “The experiment should gives clear results” →
Exercise 5: 🔘 Multiple Choice
Choose the best modal for each scientific context:
1. “Researchers _____ document all observations carefully.”
2. “This solution _____ neutralize the acid.”
Exercise 6: ⏳ Past Forms
Convert these present modals to past tense:
1. “We can see the results” →
2. “You must follow protocol” →
Exercise 7: ➕ Sentence Combining
Combine using appropriate modals:
1. “The equipment is delicate. Handle it carefully.”
Combined:
2. “The reaction is complete. We observe the results.”
Combined:
Exercise 8: 🎩 Formal vs Informal
Replace informal expressions with formal modals:
1. “You’ve got to check the measurements” →
2. “You’d better repeat the test” →
Exercise 9: 🖼️ Picture Prompt
Write lab instructions for this scenario using modals:
Chemical spill situation
Exercise 10: ✍️ Lab Report Writing
Write a short lab report (5 sentences) using at least 4 different modals:
Suggested modals: must, should, can, may, might, must not
