Modal Verbs — Simulator 3
Modal Verbs — Simulator 3
Level 3 / 10 • Strength Contrast • Clear vs Weak Evidence
Instructions: Choose the correct modal verb.
This simulator tests your ability to select the correct strength
based on context (rule vs advice vs weak conclusion).
Quick Guide:
• Rule / strong necessity / strong conclusion → must
• Advice / expected outcome → should
• Weak or uncertain conclusion → might
• Ability / permission → can
1. The exam starts in five minutes. You ___ hurry.
2. She studied consistently all semester, so she ___ do well.
3. I don’t see his car, so he ___ be at work.
4. Employees ___ wear their ID badges inside the building.
5. You look tired. You ___ take a short break.
6. The meeting room is locked, so we ___ wait outside.
7. It’s only 7 a.m. He ___ be awake yet.
8. Drivers ___ stop when the traffic light is red.
9. I’m not completely sure, but this ___ be the right answer.
10. This machine is broken. We ___ use another one.
Your Score
Interpretation:
9–10 = Strong control of modal strength
7–8 = Review strength contrasts
≤6 = Repeat Simulator 3
Refresher — Choosing the Right Strength
- must → rule / no choice / strong conclusion
- should → advice / expected result
- might → possibility (not certain)
- can → ability / permission
Answer Key
1) must
2) should
3) might
4) must
5) should
6) must
7) might
8) must
9) might
10) must