English verb conjugation CAN CONTEST

Regular verb: contest - contested - contested


Affirmation

Simple form

I can contest
you can contest
he can contest
we can contest
you can contest
they can contest

V-ing form

I can be contesting
you can be contesting
he can be contesting
we can be contesting
you can be contesting
they can be contesting

Perfect

I can have contested
you can have contested
he can have contested
we can have contested
you can have contested
they can have contested

V-ing perfect

I can have been contesting
you can have been contesting
he can have been contesting
we can have been contesting
you can have been contesting
they can have been contesting

Negation

Simple form

I can't contest
you can't contest
he can't contest
we can't contest
you can't contest
they can't contest

V-ing form

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

Perfect

I can't have contested
you can't have contested
he can't have contested
we can't have contested
you can't have contested
they can't have contested

V-ing perfect

I can't have been contesting
you can't have been contesting
he can't have been contesting
we can't have been contesting
you can't have been contesting
they can't have been contesting

Interrogative form

Simple form

can I contest?
can you contest?
can he contest?
can we contest?
can you contest?
can they contest?

V-ing form

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

Perfect

can I have contested?
can you have contested?
can he have contested?
can we have contested?
can you have contested?
can they have contested?

V-ing perfect

can I have been contesting?
can you have been contesting?
can he have been contesting?
can we have been contesting?
can you have been contesting?
can they have been contesting?

Interro-negative form

Simple form

can't I contest?
can't you contest?
can't he contest?
can't we contest?
can't you contest?
can't they contest?

V-ing form

can't I be contesting?
can't you be contesting?
can't he be contesting?
can't we be contesting?
can't you be contesting?
can't they be contesting?

Perfect

can't I have contested?
can't you have contested?
can't he have contested?
can't we have contested?
can't you have contested?
can't they have contested?

V-ing perfect

can't I have been contesting?
can't you have been contesting?
can't he have been contesting?
can't we have been contesting?
can't you have been contesting?
can't they have been contesting?