Question

plz tell all important rules for modal verbs ​

Answer 1

Answer:

Modal verb usage rules

What are modal verbs?

They never change their form. You can't add "s", "ed", "ing"...

They are always followed by an infinitive without "to" (e.i. the bare infinitive.)

They are used to indicate modality allow speakers to express certainty, possibility, willingness, obligation, necessity, ability.

Explanation:

please mark as brainlist

Answer 2

Explanation:

Use the modal verb as is. Don't change its form and turn it into the present, future, or past forms. ...

Use the base form of the verb after a modal. Don't use “to” or the full infinitive verb “to”. ...

If you need to use modals in the negative form, then use only “not” AFTER the modal