English verb conjugation CAN CONCERTINA

Regular verb: concertina - concertinaed - concertinaed

Affirmation

Simple form

I can concertina
you can concertina
she can concertina
we can concertina
you can concertina
they can concertina

V-ing form

I can be concertinaing
you can be concertinaing
she can be concertinaing
we can be concertinaing
you can be concertinaing
they can be concertinaing

Perfect

I can have concertinaed
you can have concertinaed
she can have concertinaed
we can have concertinaed
you can have concertinaed
they can have concertinaed

V-ing perfect

I can have been concertinaing
you can have been concertinaing
she can have been concertinaing
we can have been concertinaing
you can have been concertinaing
they can have been concertinaing

Negation

Simple form

I can't concertina
you can't concertina
she can't concertina
we can't concertina
you can't concertina
they can't concertina

V-ing form

I can't be concertinaing
you can't be concertinaing
she can't be concertinaing
we can't be concertinaing
you can't be concertinaing
they can't be concertinaing

Perfect

I can't have concertinaed
you can't have concertinaed
she can't have concertinaed
we can't have concertinaed
you can't have concertinaed
they can't have concertinaed

V-ing perfect

I can't have been concertinaing
you can't have been concertinaing
she can't have been concertinaing
we can't have been concertinaing
you can't have been concertinaing
they can't have been concertinaing

Interrogative form

Simple form

can I concertina?
can you concertina?
can she concertina?
can we concertina?
can you concertina?
can they concertina?

V-ing form

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

Perfect

can I have concertinaed?
can you have concertinaed?
can she have concertinaed?
can we have concertinaed?
can you have concertinaed?
can they have concertinaed?

V-ing perfect

can I have been concertinaing?
can you have been concertinaing?
can she have been concertinaing?
can we have been concertinaing?
can you have been concertinaing?
can they have been concertinaing?

Interro-negative form

Simple form

can't I concertina?
can't you concertina?
can't she concertina?
can't we concertina?
can't you concertina?
can't they concertina?

V-ing form

can't I be concertinaing?
can't you be concertinaing?
can't she be concertinaing?
can't we be concertinaing?
can't you be concertinaing?
can't they be concertinaing?

Perfect

can't I have concertinaed?
can't you have concertinaed?
can't she have concertinaed?
can't we have concertinaed?
can't you have concertinaed?
can't they have concertinaed?

V-ing perfect

can't I have been concertinaing?
can't you have been concertinaing?
can't she have been concertinaing?
can't we have been concertinaing?
can't you have been concertinaing?
can't they have been concertinaing?

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