The principal English modal verbs are can, could, may, might, shall, should, will, would, and must. They never change form and are always followed by an infinitive without "to." Modal verbs are used to express meanings like certainty, possibility, willingness, obligation, necessity, ability, permission, ability, obligation, prohibition, lack of necessity, advice, probability. They allow speakers to express modality.

2.  The English modal verbs are a subset of
the English auxiliary verbs used mostly
to express modality. They can be
distinguished from other verbs by their
defectiveness and by their neutralization.
The principal English modal verbs are
can, could, may, might, shall, should, will,
would, and must.

3.  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

4.  can, could, may, might, will, would, shall,
should, must
 The verbs or expressions dare, ought
to, had better, and need not behave like
modal auxiliaries to a large extent and my
be added to the above list

5.  Permission
 Ability
 Obligation
 Prohibition
 Lack of necessity
 Advice
 Advice
 Probability

6. Modal verbs are followed
by an infinitive without
"to", also called the bare
infinitive

7.  Name-Gaganjot Kaur
 Class-IX
 Section-D
 Admission Number-3500
 Roll Number – 9