English verb conjugation COULD BELIEVE

Regular verb: believe - believed - believed

Affirmation

Simple form

I could believe
you could believe
she could believe
we could believe
you could believe
they could believe

V-ing form

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

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

V-ing perfect

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

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

V-ing form

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

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

V-ing perfect

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

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

V-ing form

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

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

V-ing perfect

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

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

V-ing form

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

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?

V-ing perfect

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?

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