English verb conjugation CAN REFINE

Regular verb: refine - refined - refined

Affirmation

Simple form

I can refine
you can refine
she can refine
we can refine
you can refine
they can refine

V-ing form

I can be refining
you can be refining
she can be refining
we can be refining
you can be refining
they can be refining

Perfect

I can have refined
you can have refined
she can have refined
we can have refined
you can have refined
they can have refined

V-ing perfect

I can have been refining
you can have been refining
she can have been refining
we can have been refining
you can have been refining
they can have been refining

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I refine?
can you refine?
can she refine?
can we refine?
can you refine?
can they refine?

V-ing form

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

Perfect

can I have refined?
can you have refined?
can she have refined?
can we have refined?
can you have refined?
can they have refined?

V-ing perfect

can I have been refining?
can you have been refining?
can she have been refining?
can we have been refining?
can you have been refining?
can they have been refining?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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