English verb conjugation
COULD OVERFULFILL

Regular verb: overfulfill - overfulfilled - overfulfilled

Affirmation

Simple form	V-ing form
I could overfulfill you could overfulfill he could overfulfill we could overfulfill you could overfulfill they could overfulfill	I could be overfulfilling you could be overfulfilling he could be overfulfilling we could be overfulfilling you could be overfulfilling they could be overfulfilling
Perfect	V-ing perfect
I could have overfulfilled you could have overfulfilled he could have overfulfilled we could have overfulfilled you could have overfulfilled they could have overfulfilled	I could have been overfulfilling you could have been overfulfilling he could have been overfulfilling we could have been overfulfilling you could have been overfulfilling they could have been overfulfilling

Negation

Simple form	V-ing form
I couldn't overfulfill you couldn't overfulfill he couldn't overfulfill we couldn't overfulfill you couldn't overfulfill they couldn't overfulfill	I couldn't be overfulfilling you couldn't be overfulfilling he couldn't be overfulfilling we couldn't be overfulfilling you couldn't be overfulfilling they couldn't be overfulfilling
Perfect	V-ing perfect
I couldn't have overfulfilled you couldn't have overfulfilled he couldn't have overfulfilled we couldn't have overfulfilled you couldn't have overfulfilled they couldn't have overfulfilled	I couldn't have been overfulfilling you couldn't have been overfulfilling he couldn't have been overfulfilling we couldn't have been overfulfilling you couldn't have been overfulfilling they couldn't have been overfulfilling

Interrogative form

Simple form	V-ing form
could I overfulfill? could you overfulfill? could he overfulfill? could we overfulfill? could you overfulfill? could they overfulfill?	could I be overfulfilling? could you be overfulfilling? could he be overfulfilling? could we be overfulfilling? could you be overfulfilling? could they be overfulfilling?
Perfect	V-ing perfect
could I have overfulfilled? could you have overfulfilled? could he have overfulfilled? could we have overfulfilled? could you have overfulfilled? could they have overfulfilled?	could I have been overfulfilling? could you have been overfulfilling? could he have been overfulfilling? could we have been overfulfilling? could you have been overfulfilling? could they have been overfulfilling?

Interro-negative form

Simple form	V-ing form
couldn't I overfulfill? couldn't you overfulfill? couldn't he overfulfill? couldn't we overfulfill? couldn't you overfulfill? couldn't they overfulfill?	couldn't I be overfulfilling? couldn't you be overfulfilling? couldn't he be overfulfilling? couldn't we be overfulfilling? couldn't you be overfulfilling? couldn't they be overfulfilling?
Perfect	V-ing perfect
couldn't I have overfulfilled? couldn't you have overfulfilled? couldn't he have overfulfilled? couldn't we have overfulfilled? couldn't you have overfulfilled? couldn't they have overfulfilled?	couldn't I have been overfulfilling? couldn't you have been overfulfilling? couldn't he have been overfulfilling? couldn't we have been overfulfilling? couldn't you have been overfulfilling? couldn't they have been overfulfilling?