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

English verb conjugation CAN CAUTION

Regular verb: caution - cautioned - cautioned


Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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