English verb conjugation CAN IMPROVE

Regular verb: improve - improved - improved

Affirmation

Simple form

I can improve
you can improve
he can improve
we can improve
you can improve
they can improve

V-ing form

I can be improving
you can be improving
he can be improving
we can be improving
you can be improving
they can be improving

Perfect

I can have improved
you can have improved
he can have improved
we can have improved
you can have improved
they can have improved

V-ing perfect

I can have been improving
you can have been improving
he 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 improve
you can't improve
he can't improve
we can't improve
you can't improve
they can't improve

V-ing form

I can't be improving
you can't be improving
he can't be improving
we can't be improving
you can't be improving
they can't be improving

Perfect

I can't have improved
you can't have improved
he 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 improving
you can't have been improving
he 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 he improve?
can we improve?
can you improve?
can they improve?

V-ing form

can I be improving?
can you be improving?
can he be improving?
can we be improving?
can you be improving?
can they be improving?

Perfect

can I have improved?
can you have improved?
can he 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 he 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 he 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 he 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 he 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 he have been improving?
can't we have been improving?
can't you have been improving?
can't they have been improving?

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