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 couldn't gain
you couldn't gain
he couldn't gain
we couldn't gain
you couldn't gain
they couldn't gain

V-ing form

I couldn't be gaining
you couldn't be gaining
he couldn't be gaining
we couldn't be gaining
you couldn't be gaining
they couldn't be gaining

Perfect

I couldn't have gained
you couldn't have gained
he couldn't have gained
we couldn't have gained
you couldn't have gained
they couldn't have gained

V-ing perfect

I couldn't have been gaining
you couldn't have been gaining
he couldn't have been gaining
we couldn't have been gaining
you couldn't have been gaining
they couldn't 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

couldn't I gain?
couldn't you gain?
couldn't he gain?
couldn't we gain?
couldn't you gain?
couldn't they gain?

V-ing form

couldn't I be gaining?
couldn't you be gaining?
couldn't he be gaining?
couldn't we be gaining?
couldn't you be gaining?
couldn't they be gaining?

Perfect

couldn't I have gained?
couldn't you have gained?
couldn't he have gained?
couldn't we have gained?
couldn't you have gained?
couldn't they have gained?

V-ing perfect

couldn't I have been gaining?
couldn't you have been gaining?
couldn't he have been gaining?
couldn't we have been gaining?
couldn't you have been gaining?
couldn't they have been gaining?

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