English verb conjugation CAN CONCERTISE

Regular verb: concertise - concertised - concertised

Affirmation

Simple form

I can concertise
you can concertise
she can concertise
we can concertise
you can concertise
they can concertise

V-ing form

I can be concertising
you can be concertising
she can be concertising
we can be concertising
you can be concertising
they can be concertising

Perfect

I can have concertised
you can have concertised
she 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
she can have been concertising
we can have been concertising
you can have been concertising
they can have been concertising

Negation

Simple form

I cannot concertise
you cannot concertise
she cannot concertise
we cannot concertise
you cannot concertise
they cannot concertise

V-ing form

I cannot be concertising
you cannot be concertising
she cannot be concertising
we cannot be concertising
you cannot be concertising
they cannot be concertising

Perfect

I cannot have concertised
you cannot have concertised
she cannot have concertised
we cannot have concertised
you cannot have concertised
they cannot have concertised

V-ing perfect

I cannot have been concertising
you cannot have been concertising
she cannot have been concertising
we cannot have been concertising
you cannot have been concertising
they cannot have been concertising

Interrogative form

Simple form

can I concertise?
can you concertise?
can she concertise?
can we concertise?
can you concertise?
can they concertise?

V-ing form

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

Perfect

can I have concertised?
can you have concertised?
can she 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 she have been concertising?
can we have been concertising?
can you have been concertising?
can they have been concertising?

Interro-negative form

Simple form

can I not concertise?
can you not concertise?
can she not concertise?
can we not concertise?
can you not concertise?
can they not concertise?

V-ing form

can I not be concertising?
can you not be concertising?
can she not be concertising?
can we not be concertising?
can you not be concertising?
can they not be concertising?

Perfect

can I not have concertised?
can you not have concertised?
can she not have concertised?
can we not have concertised?
can you not have concertised?
can they not have concertised?

V-ing perfect

can I not have been concertising?
can you not have been concertising?
can she not have been concertising?
can we not have been concertising?
can you not have been concertising?
can they not have been concertising?

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