Modals

Modals are a type of auxiliary verb. They are used with the main verb to express possibility or necessity.

There are a number of modals, which express different levels of possibility or necessity:

  • shall
  • should
  • can
  • could
  • may
  • might
  • will
  • would
  • must

Using Shall

We can use shall to make suggestions, talk about the future, express certainty, and issue commands.

Learn more about using shall.

Using Should

We can use should to make recommendations and give advice, express obligation, and express expectation.

Learn more about using should.

Using Ought To

We use ought to in the same way as we use should: to make recommendations and give advice, express obligation, and express expectation.

Learn more about using ought to.

Using Could

We use could to make requests and suggestions, and to express possibility. It is also the past form of can.

Learn more about using could.

Using Might

We can use might to express possibility and uncertainty, make polite requests, and as the conditional form of may.

Learn more about using might.

Using Must

We can use must to express obligation or necessity, express certainty, and express prohibition.

Learn more about using must.

Using Would

We can use would as the past form of will, to talk about future events that are now in the past, and in polite phrases.

Learn more about using would.