male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation COULD JUMP
Regular verb: jump - jumped - jumped
Affirmation
Simple form
I could jumpyou could jump
she could jump
we could jump
you could jump
they could jump
V-ing form
I could be jumpingyou could be jumping
she could be jumping
we could be jumping
you could be jumping
they could be jumping
Perfect
I could have jumpedyou could have jumped
she could have jumped
we could have jumped
you could have jumped
they could have jumped
V-ing perfect
I could have been jumpingyou could have been jumping
she could have been jumping
we could have been jumping
you could have been jumping
they could have been jumping
Negation
Simple form
I couldn't jumpyou couldn't jump
she couldn't jump
we couldn't jump
you couldn't jump
they couldn't jump
V-ing form
I couldn't be jumpingyou couldn't be jumping
she couldn't be jumping
we couldn't be jumping
you couldn't be jumping
they couldn't be jumping
Perfect
I couldn't have jumpedyou couldn't have jumped
she couldn't have jumped
we couldn't have jumped
you couldn't have jumped
they couldn't have jumped
V-ing perfect
I couldn't have been jumpingyou couldn't have been jumping
she couldn't have been jumping
we couldn't have been jumping
you couldn't have been jumping
they couldn't have been jumping
Interrogative form
Simple form
could I jump?could you jump?
could she jump?
could we jump?
could you jump?
could they jump?
V-ing form
could I be jumping?could you be jumping?
could she be jumping?
could we be jumping?
could you be jumping?
could they be jumping?
Perfect
could I have jumped?could you have jumped?
could she have jumped?
could we have jumped?
could you have jumped?
could they have jumped?
V-ing perfect
could I have been jumping?could you have been jumping?
could she have been jumping?
could we have been jumping?
could you have been jumping?
could they have been jumping?
Interro-negative form
Simple form
couldn't I jump?couldn't you jump?
couldn't she jump?
couldn't we jump?
couldn't you jump?
couldn't they jump?
V-ing form
couldn't I be jumping?couldn't you be jumping?
couldn't she be jumping?
couldn't we be jumping?
couldn't you be jumping?
couldn't they be jumping?
Perfect
couldn't I have jumped?couldn't you have jumped?
couldn't she have jumped?
couldn't we have jumped?
couldn't you have jumped?
couldn't they have jumped?
V-ing perfect
couldn't I have been jumping?couldn't you have been jumping?
couldn't she have been jumping?
couldn't we have been jumping?
couldn't you have been jumping?
couldn't they have been jumping?