English verb conjugation MUST SWIM

Irregular verb: swim - swam - swum


Affirmation

Simple form

I must swim
you must swim
he must swim
we must swim
you must swim
they must swim

V-ing form

I must be swimming
you must be swimming
he must be swimming
we must be swimming
you must be swimming
they must be swimming

Perfect

I must have swum
you must have swum
he must have swum
we must have swum
you must have swum
they must have swum

V-ing perfect

I must have been swimming
you must have been swimming
he must have been swimming
we must have been swimming
you must have been swimming
they must have been swimming

Negation

Simple form

I must not swim
you must not swim
he must not swim
we must not swim
you must not swim
they must not swim

V-ing form

I must not be swimming
you must not be swimming
he must not be swimming
we must not be swimming
you must not be swimming
they must not be swimming

Perfect

I must not have swum
you must not have swum
he must not have swum
we must not have swum
you must not have swum
they must not have swum

V-ing perfect

I must not have been swimming
you must not have been swimming
he must not have been swimming
we must not have been swimming
you must not have been swimming
they must not have been swimming

Interrogative form

Simple form

must I swim?
must you swim?
must he swim?
must we swim?
must you swim?
must they swim?

V-ing form

must I be swimming?
must you be swimming?
must he be swimming?
must we be swimming?
must you be swimming?
must they be swimming?

Perfect

must I have swum?
must you have swum?
must he have swum?
must we have swum?
must you have swum?
must they have swum?

V-ing perfect

must I have been swimming?
must you have been swimming?
must he have been swimming?
must we have been swimming?
must you have been swimming?
must they have been swimming?

Interro-negative form

Simple form

must I not swim?
must you not swim?
must he not swim?
must we not swim?
must you not swim?
must they not swim?

V-ing form

must I not be swimming?
must you not be swimming?
must he not be swimming?
must we not be swimming?
must you not be swimming?
must they not be swimming?

Perfect

must I not have swum?
must you not have swum?
must he not have swum?
must we not have swum?
must you not have swum?
must they not have swum?

V-ing perfect

must I not have been swimming?
must you not have been swimming?
must he not have been swimming?
must we not have been swimming?
must you not have been swimming?
must they not have been swimming?