English verb conjugation COULD OVERFILL

Regular verb: overfill - overfilled - overfilled

Affirmation

Simple form

I could overfill
you could overfill
he could overfill
we could overfill
you could overfill
they could overfill

V-ing form

I could be overfilling
you could be overfilling
he could be overfilling
we could be overfilling
you could be overfilling
they could be overfilling

Perfect

I could have overfilled
you could have overfilled
he could have overfilled
we could have overfilled
you could have overfilled
they could have overfilled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overfill?
could you overfill?
could he overfill?
could we overfill?
could you overfill?
could they overfill?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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