English verb conjugation COULD COIN

Regular verb: coin - coined - coined

Affirmation

Simple form

I could coin
you could coin
he could coin
we could coin
you could coin
they could coin

V-ing form

I could be coining
you could be coining
he could be coining
we could be coining
you could be coining
they could be coining

Perfect

I could have coined
you could have coined
he could have coined
we could have coined
you could have coined
they could have coined

V-ing perfect

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

Negation

Simple form

I could not coin
you could not coin
he could not coin
we could not coin
you could not coin
they could not coin

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I coin?
could you coin?
could he coin?
could we coin?
could you coin?
could they coin?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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