English verb conjugation CAN CONCERTISE

Regular verb: concertise - concertised - concertised

Affirmation

Simple form

I can concertise
you can concertise
he can concertise
we can concertise
you can concertise
they can concertise

V-ing form

I can be concertising
you can be concertising
he can be concertising
we can be concertising
you can be concertising
they can be concertising

Perfect

I can have concertised
you can have concertised
he can have concertised
we can have concertised
you can have concertised
they can have concertised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I concertise?
can you concertise?
can he concertise?
can we concertise?
can you concertise?
can they concertise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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