The Conjugator
English verb conjugation
COULD BELIEVE

Regular verb: believe - believed - believed

Affirmation

Simple form

V-ing form

I could believe
you could believe
she could believe
we could believe
you could believe
they could believe
I could be believing
you could be believing
she could be believing
we could be believing
you could be believing
they could be believing

Perfect

V-ing perfect

I could have believed
you could have believed
she could have believed
we could have believed
you could have believed
they could have believed
I could have been believing
you could have been believing
she could have been believing
we could have been believing
you could have been believing
they could have been believing

Negation

Simple form

V-ing form

I couldn't believe
you couldn't believe
she couldn't believe
we couldn't believe
you couldn't believe
they couldn't believe
I couldn't be believing
you couldn't be believing
she couldn't be believing
we couldn't be believing
you couldn't be believing
they couldn't be believing

Perfect

V-ing perfect

I couldn't have believed
you couldn't have believed
she couldn't have believed
we couldn't have believed
you couldn't have believed
they couldn't have believed
I couldn't have been believing
you couldn't have been believing
she couldn't have been believing
we couldn't have been believing
you couldn't have been believing
they couldn't have been believing

Interrogative form

Simple form

V-ing form

could I believe?
could you believe?
could she believe?
could we believe?
could you believe?
could they believe?
could I be believing?
could you be believing?
could she be believing?
could we be believing?
could you be believing?
could they be believing?

Perfect

V-ing perfect

could I have believed?
could you have believed?
could she have believed?
could we have believed?
could you have believed?
could they have believed?
could I have been believing?
could you have been believing?
could she have been believing?
could we have been believing?
could you have been believing?
could they have been believing?

Interro-negative form

Simple form

V-ing form

couldn't I believe?
couldn't you believe?
couldn't she believe?
couldn't we believe?
couldn't you believe?
couldn't they believe?
couldn't I be believing?
couldn't you be believing?
couldn't she be believing?
couldn't we be believing?
couldn't you be believing?
couldn't they be believing?

Perfect

V-ing perfect

couldn't I have believed?
couldn't you have believed?
couldn't she have believed?
couldn't we have believed?
couldn't you have believed?
couldn't they have believed?
couldn't I have been believing?
couldn't you have been believing?
couldn't she have been believing?
couldn't we have been believing?
couldn't you have been believing?
couldn't they have been believing?