English verb conjugation COULD DECOUPLE

Regular verb: decouple - decoupled - decoupled

Affirmation

Simple form

I could decouple
you could decouple
he could decouple
we could decouple
you could decouple
they could decouple

V-ing form

I could be decoupling
you could be decoupling
he could be decoupling
we could be decoupling
you could be decoupling
they could be decoupling

Perfect

I could have decoupled
you could have decoupled
he could have decoupled
we could have decoupled
you could have decoupled
they could have decoupled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I decouple?
could you decouple?
could he decouple?
could we decouple?
could you decouple?
could they decouple?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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