The Conjugator
English verb conjugation
COULD FULFILL

Regular verb: fulfill - fulfilled - fulfilled

Affirmation

Simple form

V-ing form

I could fulfill
you could fulfill
she could fulfill
we could fulfill
you could fulfill
they could fulfill
I could be fulfilling
you could be fulfilling
she could be fulfilling
we could be fulfilling
you could be fulfilling
they could be fulfilling

Perfect

V-ing perfect

I could have fulfilled
you could have fulfilled
she could have fulfilled
we could have fulfilled
you could have fulfilled
they could have fulfilled
I could have been fulfilling
you could have been fulfilling
she could have been fulfilling
we could have been fulfilling
you could have been fulfilling
they could have been fulfilling

Negation

Simple form

V-ing form

I couldn't fulfill
you couldn't fulfill
she couldn't fulfill
we couldn't fulfill
you couldn't fulfill
they couldn't fulfill
I couldn't be fulfilling
you couldn't be fulfilling
she couldn't be fulfilling
we couldn't be fulfilling
you couldn't be fulfilling
they couldn't be fulfilling

Perfect

V-ing perfect

I couldn't have fulfilled
you couldn't have fulfilled
she couldn't have fulfilled
we couldn't have fulfilled
you couldn't have fulfilled
they couldn't have fulfilled
I couldn't have been fulfilling
you couldn't have been fulfilling
she couldn't have been fulfilling
we couldn't have been fulfilling
you couldn't have been fulfilling
they couldn't have been fulfilling

Interrogative form

Simple form

V-ing form

could I fulfill?
could you fulfill?
could she fulfill?
could we fulfill?
could you fulfill?
could they fulfill?
could I be fulfilling?
could you be fulfilling?
could she be fulfilling?
could we be fulfilling?
could you be fulfilling?
could they be fulfilling?

Perfect

V-ing perfect

could I have fulfilled?
could you have fulfilled?
could she have fulfilled?
could we have fulfilled?
could you have fulfilled?
could they have fulfilled?
could I have been fulfilling?
could you have been fulfilling?
could she have been fulfilling?
could we have been fulfilling?
could you have been fulfilling?
could they have been fulfilling?

Interro-negative form

Simple form

V-ing form

couldn't I fulfill?
couldn't you fulfill?
couldn't she fulfill?
couldn't we fulfill?
couldn't you fulfill?
couldn't they fulfill?
couldn't I be fulfilling?
couldn't you be fulfilling?
couldn't she be fulfilling?
couldn't we be fulfilling?
couldn't you be fulfilling?
couldn't they be fulfilling?

Perfect

V-ing perfect

couldn't I have fulfilled?
couldn't you have fulfilled?
couldn't she have fulfilled?
couldn't we have fulfilled?
couldn't you have fulfilled?
couldn't they have fulfilled?
couldn't I have been fulfilling?
couldn't you have been fulfilling?
couldn't she have been fulfilling?
couldn't we have been fulfilling?
couldn't you have been fulfilling?
couldn't they have been fulfilling?