English verb conjugation CAN REFINE

Regular verb: refine - refined - refined

Affirmation

Simple form

I can refine
you can refine
he can refine
we can refine
you can refine
they can refine

V-ing form

I can be refining
you can be refining
he can be refining
we can be refining
you can be refining
they can be refining

Perfect

I can have refined
you can have refined
he 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
he can have been refining
we can have been refining
you can have been refining
they can have been refining

Negation

Simple form

I cannot refine
you cannot refine
he cannot refine
we cannot refine
you cannot refine
they cannot refine

V-ing form

I cannot be refining
you cannot be refining
he cannot be refining
we cannot be refining
you cannot be refining
they cannot be refining

Perfect

I cannot have refined
you cannot have refined
he cannot have refined
we cannot have refined
you cannot have refined
they cannot have refined

V-ing perfect

I cannot have been refining
you cannot have been refining
he cannot have been refining
we cannot have been refining
you cannot have been refining
they cannot have been refining

Interrogative form

Simple form

can I refine?
can you refine?
can he refine?
can we refine?
can you refine?
can they refine?

V-ing form

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

Perfect

can I have refined?
can you have refined?
can he 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 he have been refining?
can we have been refining?
can you have been refining?
can they have been refining?

Interro-negative form

Simple form

can I not refine?
can you not refine?
can he not refine?
can we not refine?
can you not refine?
can they not refine?

V-ing form

can I not be refining?
can you not be refining?
can he not be refining?
can we not be refining?
can you not be refining?
can they not be refining?

Perfect

can I not have refined?
can you not have refined?
can he not have refined?
can we not have refined?
can you not have refined?
can they not have refined?

V-ing perfect

can I not have been refining?
can you not have been refining?
can he not have been refining?
can we not have been refining?
can you not have been refining?
can they not have been refining?

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