English verb conjugation COULD PROSPER

Regular verb: prosper - prospered - prospered

Affirmation

Simple form

I could prosper
you could prosper
he could prosper
we could prosper
you could prosper
they could prosper

V-ing form

I could be prospering
you could be prospering
he could be prospering
we could be prospering
you could be prospering
they could be prospering

Perfect

I could have prospered
you could have prospered
he could have prospered
we could have prospered
you could have prospered
they could have prospered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I prosper?
could you prosper?
could he prosper?
could we prosper?
could you prosper?
could they prosper?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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