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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST CAUTION

Regular verb: caution - cautioned - cautioned


Affirmation

Simple form
I must caution
you must caution
he must caution
we must caution
you must caution
they must caution
V-ing form
I must be cautioning
you must be cautioning
he must be cautioning
we must be cautioning
you must be cautioning
they must be cautioning
Perfect
I must have cautioned
you must have cautioned
he must have cautioned
we must have cautioned
you must have cautioned
they must have cautioned
V-ing perfect
I must have been cautioning
you must have been cautioning
he must have been cautioning
we must have been cautioning
you must have been cautioning
they must have been cautioning

Negation

Simple form
I must not caution
you must not caution
he must not caution
we must not caution
you must not caution
they must not caution
V-ing form
I must not be cautioning
you must not be cautioning
he must not be cautioning
we must not be cautioning
you must not be cautioning
they must not be cautioning
Perfect
I must not have cautioned
you must not have cautioned
he must not have cautioned
we must not have cautioned
you must not have cautioned
they must not have cautioned
V-ing perfect
I must not have been cautioning
you must not have been cautioning
he must not have been cautioning
we must not have been cautioning
you must not have been cautioning
they must not have been cautioning

Interrogative form

Simple form
must I caution?
must you caution?
must he caution?
must we caution?
must you caution?
must they caution?
V-ing form
must I be cautioning?
must you be cautioning?
must he be cautioning?
must we be cautioning?
must you be cautioning?
must they be cautioning?
Perfect
must I have cautioned?
must you have cautioned?
must he have cautioned?
must we have cautioned?
must you have cautioned?
must they have cautioned?
V-ing perfect
must I have been cautioning?
must you have been cautioning?
must he have been cautioning?
must we have been cautioning?
must you have been cautioning?
must they have been cautioning?

Interro-negative form

Simple form
must I not caution?
must you not caution?
must he not caution?
must we not caution?
must you not caution?
must they not caution?
V-ing form
must I not be cautioning?
must you not be cautioning?
must he not be cautioning?
must we not be cautioning?
must you not be cautioning?
must they not be cautioning?
Perfect
must I not have cautioned?
must you not have cautioned?
must he not have cautioned?
must we not have cautioned?
must you not have cautioned?
must they not have cautioned?
V-ing perfect
must I not have been cautioning?
must you not have been cautioning?
must he not have been cautioning?
must we not have been cautioning?
must you not have been cautioning?
must they not have been cautioning?