male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD APPEAR
Regular verb: appear - appeared - appeared
Affirmation
Simple form
I could appearyou could appear
she could appear
we could appear
you could appear
they could appear
V-ing form
I could be appearingyou could be appearing
she could be appearing
we could be appearing
you could be appearing
they could be appearing
Perfect
I could have appearedyou could have appeared
she could have appeared
we could have appeared
you could have appeared
they could have appeared
V-ing perfect
I could have been appearingyou could have been appearing
she could have been appearing
we could have been appearing
you could have been appearing
they could have been appearing
Negation
Simple form
I couldn't appearyou couldn't appear
she couldn't appear
we couldn't appear
you couldn't appear
they couldn't appear
V-ing form
I couldn't be appearingyou couldn't be appearing
she couldn't be appearing
we couldn't be appearing
you couldn't be appearing
they couldn't be appearing
Perfect
I couldn't have appearedyou couldn't have appeared
she couldn't have appeared
we couldn't have appeared
you couldn't have appeared
they couldn't have appeared
V-ing perfect
I couldn't have been appearingyou couldn't have been appearing
she couldn't have been appearing
we couldn't have been appearing
you couldn't have been appearing
they couldn't have been appearing
Interrogative form
Simple form
could I appear?could you appear?
could she appear?
could we appear?
could you appear?
could they appear?
V-ing form
could I be appearing?could you be appearing?
could she be appearing?
could we be appearing?
could you be appearing?
could they be appearing?
Perfect
could I have appeared?could you have appeared?
could she have appeared?
could we have appeared?
could you have appeared?
could they have appeared?
V-ing perfect
could I have been appearing?could you have been appearing?
could she have been appearing?
could we have been appearing?
could you have been appearing?
could they have been appearing?
Interro-negative form
Simple form
couldn't I appear?couldn't you appear?
couldn't she appear?
couldn't we appear?
couldn't you appear?
couldn't they appear?
V-ing form
couldn't I be appearing?couldn't you be appearing?
couldn't she be appearing?
couldn't we be appearing?
couldn't you be appearing?
couldn't they be appearing?
Perfect
couldn't I have appeared?couldn't you have appeared?
couldn't she have appeared?
couldn't we have appeared?
couldn't you have appeared?
couldn't they have appeared?
V-ing perfect
couldn't I have been appearing?couldn't you have been appearing?
couldn't she have been appearing?
couldn't we have been appearing?
couldn't you have been appearing?
couldn't they have been appearing?