English verb conjugation COULD REFASTEN

Regular verb: refasten - refastened - refastened

Affirmation

Simple form

I could refasten
you could refasten
he could refasten
we could refasten
you could refasten
they could refasten

V-ing form

I could be refastening
you could be refastening
he could be refastening
we could be refastening
you could be refastening
they could be refastening

Perfect

I could have refastened
you could have refastened
he could have refastened
we could have refastened
you could have refastened
they could have refastened

V-ing perfect

I could have been refastening
you could have been refastening
he could have been refastening
we could have been refastening
you could have been refastening
they could have been refastening

Negation

Simple form

I could not refasten
you could not refasten
he could not refasten
we could not refasten
you could not refasten
they could not refasten

V-ing form

I could not be refastening
you could not be refastening
he could not be refastening
we could not be refastening
you could not be refastening
they could not be refastening

Perfect

I could not have refastened
you could not have refastened
he could not have refastened
we could not have refastened
you could not have refastened
they could not have refastened

V-ing perfect

I could not have been refastening
you could not have been refastening
he could not have been refastening
we could not have been refastening
you could not have been refastening
they could not have been refastening

Interrogative form

Simple form

could I refasten?
could you refasten?
could he refasten?
could we refasten?
could you refasten?
could they refasten?

V-ing form

could I be refastening?
could you be refastening?
could he be refastening?
could we be refastening?
could you be refastening?
could they be refastening?

Perfect

could I have refastened?
could you have refastened?
could he have refastened?
could we have refastened?
could you have refastened?
could they have refastened?

V-ing perfect

could I have been refastening?
could you have been refastening?
could he have been refastening?
could we have been refastening?
could you have been refastening?
could they have been refastening?

Interro-negative form

Simple form

could I not refasten?
could you not refasten?
could he not refasten?
could we not refasten?
could you not refasten?
could they not refasten?

V-ing form

could I not be refastening?
could you not be refastening?
could he not be refastening?
could we not be refastening?
could you not be refastening?
could they not be refastening?

Perfect

could I not have refastened?
could you not have refastened?
could he not have refastened?
could we not have refastened?
could you not have refastened?
could they not have refastened?

V-ing perfect

could I not have been refastening?
could you not have been refastening?
could he not have been refastening?
could we not have been refastening?
could you not have been refastening?
could they not have been refastening?

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