can concertina
Verbe régulier : concertina - concertinaed- concertinaed
Traduction française : télescoper 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can concertina
you can concertina
she can concertina
we can concertina
you can concertina
they can concertina 	I can be concertinaing
you can be concertinaing
she can be concertinaing
we can be concertinaing
you can be concertinaing
they can be concertinaing	I can have concertinaed
you can have concertinaed
she can have concertinaed
we can have concertinaed
you can have concertinaed
they can have concertinaed	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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't concertina
you can't concertina
she can't concertina
we can't concertina
you can't concertina
they can't concertina 	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	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	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	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I concertina?
can you concertina?
can she concertina?
can we concertina?
can you concertina?
can they concertina? 	can I be concertinaing?
can you be concertinaing?
can she be concertinaing?
can we be concertinaing?
can you be concertinaing?
can they be concertinaing? 	can I have concertinaed?
can you have concertinaed?
can she have concertinaed?
can we have concertinaed?
can you have concertinaed?
can they have concertinaed? 	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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I concertina?
can't you concertina?
can't she concertina?
can't we concertina?
can't you concertina?
can't they concertina? 	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? 	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? 	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?