English verb conjugation COULD BACKGROUND

Regular verb: background - backgrounded - backgrounded

Affirmation

Simple form

I could background
you could background
he could background
we could background
you could background
they could background

V-ing form

I could be backgrounding
you could be backgrounding
he could be backgrounding
we could be backgrounding
you could be backgrounding
they could be backgrounding

Perfect

I could have backgrounded
you could have backgrounded
he could have backgrounded
we could have backgrounded
you could have backgrounded
they could have backgrounded

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I background?
could you background?
could he background?
could we background?
could you background?
could they background?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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