Exercises B2 : practice modality markers in English

These exercises are based on the course on modality markers in English. Practice using words like might, must, and could in realistic contexts to sound more natural and precise.

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Exercice 1 — Fill in the Modal

Complete each sentence with the correct modal verb (might, must, could, should, or can't). Write the full sentence as your answer.

1. She ___ be at home — her lights are on and her car is in the driveway.
2. I ___ finish the report by Friday if you give me the data today.
3. They ___ be serious — that price is completely unrealistic.
4. You ___ double-check your emails before sending them to clients.

Exercice 2 — Spot and Correct the Error

Each sentence contains one error related to modal verb usage. Identify the mistake and rewrite the full sentence correctly.

1. He musts submit the form before the deadline or his application will be rejected.
2. You don't must speak during the presentation — please wait until the end to ask questions.
3. She might to arrive late because of the traffic on the motorway.
4. This can't to be the right address — there is no building here at all.

Exercice 3 — Choose the Best Modal

Choose the option (A, B, or C) that best completes the sentence based on the meaning indicated. Write the full correct sentence as your answer.

1. We are not certain yet, but we ___ launch the new product in spring. (expressing possibility)
   A) must launch
   B) might launch
   C) should have launched
2. Employees ___ wear their ID badge at all times on the premises. (expressing obligation)
   A) could wear
   B) might wear
   C) must wear
3. I ___ help you with the presentation if you need an extra pair of eyes. (offering polite assistance)
   A) must help
   B) could help
   C) can't help
4. He studied abroad for three years, so he ___ speak French quite fluently. (expressing logical deduction)
   A) might not speak
   B) should speak
   C) can't speak