English verb conjugation CAN CAUTION

Regular verb: caution - cautioned - cautioned

Affirmation

Simple form

I can caution
you can caution
she can caution
we can caution
you can caution
they can caution

V-ing form

I can be cautioning
you can be cautioning
she can be cautioning
we can be cautioning
you can be cautioning
they can be cautioning

Perfect

I can have cautioned
you can have cautioned
she 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
she can have been cautioning
we can have been cautioning
you can have been cautioning
they can have been cautioning

Negation

Simple form

I can't caution
you can't caution
she can't caution
we can't caution
you can't caution
they can't caution

V-ing form

I can't be cautioning
you can't be cautioning
she can't be cautioning
we can't be cautioning
you can't be cautioning
they can't be cautioning

Perfect

I can't have cautioned
you can't have cautioned
she can't have cautioned
we can't have cautioned
you can't have cautioned
they can't have cautioned

V-ing perfect

I can't have been cautioning
you can't have been cautioning
she can't have been cautioning
we can't have been cautioning
you can't have been cautioning
they can't have been cautioning

Interrogative form

Simple form

can I caution?
can you caution?
can she caution?
can we caution?
can you caution?
can they caution?

V-ing form

can I be cautioning?
can you be cautioning?
can she be cautioning?
can we be cautioning?
can you be cautioning?
can they be cautioning?

Perfect

can I have cautioned?
can you have cautioned?
can she 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 she have been cautioning?
can we have been cautioning?
can you have been cautioning?
can they have been cautioning?

Interro-negative form

Simple form

can't I caution?
can't you caution?
can't she caution?
can't we caution?
can't you caution?
can't they caution?

V-ing form

can't I be cautioning?
can't you be cautioning?
can't she be cautioning?
can't we be cautioning?
can't you be cautioning?
can't they be cautioning?

Perfect

can't I have cautioned?
can't you have cautioned?
can't she have cautioned?
can't we have cautioned?
can't you have cautioned?
can't they have cautioned?

V-ing perfect

can't I have been cautioning?
can't you have been cautioning?
can't she have been cautioning?
can't we have been cautioning?
can't you have been cautioning?
can't they have been cautioning?

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