male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation CAN IMPROVE
Regular verb: improve - improved - improved
Affirmation
Simple form
I can improveyou can improve
she can improve
we can improve
you can improve
they can improve
V-ing form
I can be improvingyou can be improving
she can be improving
we can be improving
you can be improving
they can be improving
Perfect
I can have improvedyou can have improved
she can have improved
we can have improved
you can have improved
they can have improved
V-ing perfect
I can have been improvingyou can have been improving
she can have been improving
we can have been improving
you can have been improving
they can have been improving
Negation
Simple form
I can't improveyou can't improve
she can't improve
we can't improve
you can't improve
they can't improve
V-ing form
I can't be improvingyou can't be improving
she can't be improving
we can't be improving
you can't be improving
they can't be improving
Perfect
I can't have improvedyou can't have improved
she can't have improved
we can't have improved
you can't have improved
they can't have improved
V-ing perfect
I can't have been improvingyou can't have been improving
she can't have been improving
we can't have been improving
you can't have been improving
they can't have been improving
Interrogative form
Simple form
can I improve?can you improve?
can she improve?
can we improve?
can you improve?
can they improve?
V-ing form
can I be improving?can you be improving?
can she be improving?
can we be improving?
can you be improving?
can they be improving?
Perfect
can I have improved?can you have improved?
can she have improved?
can we have improved?
can you have improved?
can they have improved?
V-ing perfect
can I have been improving?can you have been improving?
can she have been improving?
can we have been improving?
can you have been improving?
can they have been improving?
Interro-negative form
Simple form
can't I improve?can't you improve?
can't she improve?
can't we improve?
can't you improve?
can't they improve?
V-ing form
can't I be improving?can't you be improving?
can't she be improving?
can't we be improving?
can't you be improving?
can't they be improving?
Perfect
can't I have improved?can't you have improved?
can't she have improved?
can't we have improved?
can't you have improved?
can't they have improved?
V-ing perfect
can't I have been improving?can't you have been improving?
can't she have been improving?
can't we have been improving?
can't you have been improving?
can't they have been improving?