English verb conjugation COULD GAIN

Regular verb: gain - gained - gained

Affirmation

Simple form

I could gain
you could gain
he could gain
we could gain
you could gain
they could gain

V-ing form

I could be gaining
you could be gaining
he could be gaining
we could be gaining
you could be gaining
they could be gaining

Perfect

I could have gained
you could have gained
he could have gained
we could have gained
you could have gained
they could have gained

V-ing perfect

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

Negation

Simple form

I could not gain
you could not gain
he could not gain
we could not gain
you could not gain
they could not gain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I gain?
could you gain?
could he gain?
could we gain?
could you gain?
could they gain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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