English verb conjugation COULD IMPOVERISH

Regular verb: impoverish - impoverished - impoverished

Affirmation

Simple form

I could impoverish
you could impoverish
he could impoverish
we could impoverish
you could impoverish
they could impoverish

V-ing form

I could be impoverishing
you could be impoverishing
he could be impoverishing
we could be impoverishing
you could be impoverishing
they could be impoverishing

Perfect

I could have impoverished
you could have impoverished
he could have impoverished
we could have impoverished
you could have impoverished
they could have impoverished

V-ing perfect

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

Negation

Simple form

I couldn't impoverish
you couldn't impoverish
he couldn't impoverish
we couldn't impoverish
you couldn't impoverish
they couldn't impoverish

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I impoverish?
could you impoverish?
could he impoverish?
could we impoverish?
could you impoverish?
could they impoverish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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