Install Grammarbit

Free, no app store, no sign-up. It opens full screen and your progress stays with you.

  1. Look for the install icon at the right of the address bar, or open the browser menu.
  2. Choose “Install”. The app opens in its own window.

Modal Verbs · Exercises

B2Upper intermediate practice

Guessing with must / can’t and should have done.

Play

Want to mix tenses, go endless or pick exercise types? Set up your own session.

What you’ll practise at B2

  • Ability: can / could / be able to
  • Negatives: can’t, shouldn’t, don’t have to
  • Questions: Can I…? Do I have to…?
  • Advice: should / ought to / had better
  • Obligation: must / have to / had to
  • mustn’t or don’t have to?
  • Possibility: might / may / could
  • Deduction: must / might / can’t be
  • Past modals: should have, must have, can’t have
  • Passive: must be done, can’t have been done

Need a refresher? Learn the modal verbs: rules, tables and audio examples.

Sample exercises

A taste of what’s inside. In practice mode every exercise is freshly generated.

  1. Choose the passive form.

    Phones _____ (switch) off during the exam.

    must be switched · must been switched · must be switch · must switched

    Show answer

    Phones must be switched off during the exam.

    Passive with a modal: modal + be + past participle (about the past: modal + have been + participle). Phones must be switched off during the exam.

  2. Complete the sentence. Meaning: it isn’t necessary.

    Ben _____ look after his little brother at the weekend.

    can't · must · mustn't · doesn't have to

    Show answer

    Ben doesn't have to look after his little brother at the weekend.

    don’t have to = it isn’t necessary (but you can if you want). Ben doesn't have to look after his little brother at the weekend.

  3. Write a modal verb. Meaning: it isn’t necessary.

    Julia _____ get up early at the weekend.

    Show answer

    Julia doesn't have to get up early at the weekend.

    don’t have to = it isn’t necessary (but you can if you want). Julia doesn't have to get up early at the weekend.

  4. Write the passive.

    The plants _____ (should / water) twice a week.

    Show answer

    The plants should be watered twice a week.

    Passive with a modal: modal + be + past participle (about the past: modal + have been + participle). The plants should be watered twice a week.

  5. Complete the sentence. Meaning: maybe.

    She _____ need some help.

    must · can't · mustn't · could

    Show answer

    She could need some help.

    might / may / could = maybe: it’s possible, but not certain. She could need some help.

  6. Write the passive.

    Your password _____ (should / change) every few months.

    Show answer

    Your password should be changed every few months.

    Passive with a modal: modal + be + past participle (about the past: modal + have been + participle). Your password should be changed every few months.