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Interactive Grammar: Modal Verbs for Future Possibility

Use 'may', 'might', and 'could' to express degrees of future possibility and uncertainty in English.

Grammar Explanation · Authentic Examples · Practice Exercises

Lesson progressNot started
Duration
~64 min
Exercises
43
Level
Elementary

Overview

Use 'may', 'might', and 'could' to express degrees of future possibility and uncertainty in English.

May / Might / Could

  • mightMight = less certain: It might rain later.
  • mayMay = 50/50 possibility (more formal): She may apply for the job.
  • couldCould = possible option: There could be delays.
  • willWill = confident prediction: Prices will rise.

Degree of certainty

  • 100% → will: The sun will rise tomorrow.
  • 60% → may: She may get the promotion.
  • 40% → might / could: It might snow tonight.
  • All followed by base verb (no 'to', no '-ing').

Common Mistakes

  • It might to rain. → ✅ It might rain. (no 'to')
  • She mights apply. → ✅ She might apply.
  • He might will come. → ✅ He might come.

When to use

Weather

It might snow tomorrow.

Business forecasts

The market may recover next quarter.

Uncertainty

She might not come — she seemed unsure.

Predictions

Demand could rise significantly.

Multiple Choice

Choose may, might, or could for future possibility

Multiple Choice15 questions
1It rain later — there are dark clouds.
2I'm not sure, but she apply for the position.
3There be a delay — they haven't confirmed yet.
4'May' for future possibility is more than 'might'.
5He take the job — he is still considering.
6The project be finished by Friday, but it is uncertain.
7The economy improve next year, according to experts.
8She not attend if she is still unwell.
9Which sentence expresses the LEAST certainty about the future?
10We need to reschedule the meeting.
11After 'may' and 'might', we use .
12She come to the party — she said she would try.
13The candidate get the role, but there are strong competitors.
14I go to the conference if I can get the day off.
15Which modal expresses a more confident prediction?

Fill in the Blanks

Complete with may, might, or could

Fill in the Blanks10 questions
1It(may/might/could)snow tonight — the forecast is uncertain.
2She(may/might/could)apply for the scholarship if she qualifies.
3He(may/might/could)not come — he has a prior commitment.
4The results(may/might/could)be released earlier than expected.
5There(may/might/could)be changes to the programme.
6She(may/might/could)win the award — she has a strong record.
7They(may/might/could)not finish the report in time.
8The event(may/might/could)be postponed due to bad weather.
9I(may/might/could)have some time free on Thursday.
10She(may/might/could)accept the offer — it depends on the salary.

Transform the Sentences

Rewrite to express future possibility

Transform8 questions

1It is possible that it will rain. → Use 'might'

2Perhaps she will apply for the job. → Use 'may'

3There is a chance they will delay the launch. → Use 'could'

4He will possibly not attend. → Use 'might'

5It is possible that the price will rise. → Use 'may'

6Perhaps they will find a solution. → Use 'might'

7There is a possibility of bad weather. → Use 'could'

8She will possibly be promoted next month. → Use 'may'

Fix the Errors

Correct the modal mistake in each sentence

Error Fix10 questions

1It might to rain later.

2She mights apply for the role.

3He may to come if he finishes early.

4They could to delay the project.

5She might not to attend.

6The results may released soon.

7He might will come to the party.

8They could are late because of traffic.

9She may not coming to the event.

10It might be possible that they cancels.

Frequently Asked Questions

What does this lesson on modals cover?

Use 'may', 'might', and 'could' to express degrees of future possibility and uncertainty in English.

Which CEFR level is this lesson designed for?

This lesson is designed for Elementary (A2) learners and forms part of the Modals section on Grammartier.

What is the best approach for studying this grammar topic?

Start with the definition, then study the examples carefully to understand how the pattern works in context. Practise identifying the structure in authentic sentences before producing your own — this recognition-first approach builds a strong foundation for accurate, confident use.

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