English

Modal verbs

Using for

As permission, probability, ability and obligation

they’re used together with the main verb of the sentence

type of auxiliary verb

modal verb + infinitive (without to)

This have types of Modal Auxiliary Verbs

Likelihood

Possibility

should and must to show probability without certainty

Habit

-​​​​​​Judging by the clouds, it might rain today.- -She may become the youngest pro soccer player ever.-

can use would for the past tense and will for the present and future. And used to is also acceptable about a habit that no longer exists

estructure is

use could, may, or might when is possible but not certain

-Her parents must be so proud.- -My baby brother should be asleep by now.-

-When I lived alone, I would fall asleep with music.- -I will arrive early and leave late to every meeting.-

Ability

can shows whether or not the subject is able to do something

-She can speak three languages, but none of them well.- -You can lead a horse to water, but you can’t make it drink.-

Suggestion/advice

Asking permission

start your question with can, may, or could when describing possibility or permission

-May I leave early today?- -Could I play too?-

Request

start your question with will, would, can, or could.

you can use the modal verb should for suggestions or advice without ordering someone around

-You should try the lasagna.- -That guy should wear less cologne. -

Command

if you want to command someone, use must, have to, or need to.

-You must wash your hands before cooking.- -You need to be here before 8:00.-

Obligation or necessity

must, have to, or need to can express a necessary action

-Would you get that box off the top shelf?- -Will you turn that music down?-

-We have to wait for our boss to arrive before we open.- -You don’t need to come if you don’t want to.-