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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD KO

Regular verb: ko - koed - koed


Affirmation

Simple form
I could ko
you could ko
she could ko
we could ko
you could ko
they could ko
V-ing form
I could be koing
you could be koing
she could be koing
we could be koing
you could be koing
they could be koing
Perfect
I could have koed
you could have koed
she could have koed
we could have koed
you could have koed
they could have koed
V-ing perfect
I could have been koing
you could have been koing
she could have been koing
we could have been koing
you could have been koing
they could have been koing

Negation

Simple form
I couldn't ko
you couldn't ko
she couldn't ko
we couldn't ko
you couldn't ko
they couldn't ko
V-ing form
I couldn't be koing
you couldn't be koing
she couldn't be koing
we couldn't be koing
you couldn't be koing
they couldn't be koing
Perfect
I couldn't have koed
you couldn't have koed
she couldn't have koed
we couldn't have koed
you couldn't have koed
they couldn't have koed
V-ing perfect
I couldn't have been koing
you couldn't have been koing
she couldn't have been koing
we couldn't have been koing
you couldn't have been koing
they couldn't have been koing

Interrogative form

Simple form
could I ko?
could you ko?
could she ko?
could we ko?
could you ko?
could they ko?
V-ing form
could I be koing?
could you be koing?
could she be koing?
could we be koing?
could you be koing?
could they be koing?
Perfect
could I have koed?
could you have koed?
could she have koed?
could we have koed?
could you have koed?
could they have koed?
V-ing perfect
could I have been koing?
could you have been koing?
could she have been koing?
could we have been koing?
could you have been koing?
could they have been koing?

Interro-negative form

Simple form
couldn't I ko?
couldn't you ko?
couldn't she ko?
couldn't we ko?
couldn't you ko?
couldn't they ko?
V-ing form
couldn't I be koing?
couldn't you be koing?
couldn't she be koing?
couldn't we be koing?
couldn't you be koing?
couldn't they be koing?
Perfect
couldn't I have koed?
couldn't you have koed?
couldn't she have koed?
couldn't we have koed?
couldn't you have koed?
couldn't they have koed?
V-ing perfect
couldn't I have been koing?
couldn't you have been koing?
couldn't she have been koing?
couldn't we have been koing?
couldn't you have been koing?
couldn't they have been koing?