can duet
Verbe régulier : duet - dueted- dueted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can duet
you can duet
he can duet
we can duet
you can duet
they can duet 	I can be dueting
you can be dueting
he can be dueting
we can be dueting
you can be dueting
they can be dueting	I can have dueted
you can have dueted
he can have dueted
we can have dueted
you can have dueted
they can have dueted	I can have been dueting
you can have been dueting
he can have been dueting
we can have been dueting
you can have been dueting
they can have been dueting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot duet
you cannot duet
he cannot duet
we cannot duet
you cannot duet
they cannot duet 	I cannot be dueting
you cannot be dueting
he cannot be dueting
we cannot be dueting
you cannot be dueting
they cannot be dueting	I cannot have dueted
you cannot have dueted
he cannot have dueted
we cannot have dueted
you cannot have dueted
they cannot have dueted	I cannot have been dueting
you cannot have been dueting
he cannot have been dueting
we cannot have been dueting
you cannot have been dueting
they cannot have been dueting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I duet?
can you duet?
can he duet?
can we duet?
can you duet?
can they duet? 	can I be dueting?
can you be dueting?
can he be dueting?
can we be dueting?
can you be dueting?
can they be dueting? 	can I have dueted?
can you have dueted?
can he have dueted?
can we have dueted?
can you have dueted?
can they have dueted? 	can I have been dueting?
can you have been dueting?
can he have been dueting?
can we have been dueting?
can you have been dueting?
can they have been dueting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not duet?
can you not duet?
can he not duet?
can we not duet?
can you not duet?
can they not duet? 	can I not be dueting?
can you not be dueting?
can he not be dueting?
can we not be dueting?
can you not be dueting?
can they not be dueting? 	can I not have dueted?
can you not have dueted?
can he not have dueted?
can we not have dueted?
can you not have dueted?
can they not have dueted? 	can I not have been dueting?
can you not have been dueting?
can he not have been dueting?
can we not have been dueting?
can you not have been dueting?
can they not have been dueting?