Modal verbs: ability/ permission/ obligation (Medium) Quiz Home › IELTS › IELTS English Grammar › Modal verbs: ability/ permission/ obligation (Medium) 📝 IELTS – English Grammar – Modal verbs: ability/ permission/ obligation – Medium 20 questions · 15 min timer · Explanations included · Free 1. Which modal verb is used to express a hypothetical ability? Could Can Must Should None 1 out of 18 2. Which modal verb is used to express a past obligation that was not fulfilled? Should have Must have Could have Might have None 2 out of 18 Loading questions... 3 out of 18 Loading questions... 4 out of 18 Loading questions... 5 out of 18 Loading questions... 6 out of 18 Loading questions... 7 out of 18 Loading questions... 8 out of 18 Loading questions... 9 out of 18 Loading questions... 10 out of 18 Loading questions... 11 out of 18 Loading questions... 12 out of 18 Loading questions... 13 out of 18 Loading questions... 14 out of 18 Loading questions... 15 out of 18 Loading questions... 16 out of 18 Loading questions... 17 out of 18 Loading questions... 18 out of 18 Click Submit to see your final score! Previous Start Quiz Next Time's upTime is Up!