English verb conjugation COULD DEGREASE

Regular verb: degrease - degreased - degreased

Affirmation

Simple form

I could degrease
you could degrease
he could degrease
we could degrease
you could degrease
they could degrease

V-ing form

I could be degreasing
you could be degreasing
he could be degreasing
we could be degreasing
you could be degreasing
they could be degreasing

Perfect

I could have degreased
you could have degreased
he could have degreased
we could have degreased
you could have degreased
they could have degreased

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I degrease?
could you degrease?
could he degrease?
could we degrease?
could you degrease?
could they degrease?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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