can cluster
Verbe régulier : cluster - clustered- clustered
Traduction française : se grouper - former un groupe 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can cluster
you can cluster
he can cluster
we can cluster
you can cluster
they can cluster 	I can be clustering
you can be clustering
he can be clustering
we can be clustering
you can be clustering
they can be clustering	I can have clustered
you can have clustered
he can have clustered
we can have clustered
you can have clustered
they can have clustered	I can have been clustering
you can have been clustering
he can have been clustering
we can have been clustering
you can have been clustering
they can have been clustering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot cluster
you cannot cluster
he cannot cluster
we cannot cluster
you cannot cluster
they cannot cluster 	I cannot be clustering
you cannot be clustering
he cannot be clustering
we cannot be clustering
you cannot be clustering
they cannot be clustering	I cannot have clustered
you cannot have clustered
he cannot have clustered
we cannot have clustered
you cannot have clustered
they cannot have clustered	I cannot have been clustering
you cannot have been clustering
he cannot have been clustering
we cannot have been clustering
you cannot have been clustering
they cannot have been clustering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I cluster?
can you cluster?
can he cluster?
can we cluster?
can you cluster?
can they cluster? 	can I be clustering?
can you be clustering?
can he be clustering?
can we be clustering?
can you be clustering?
can they be clustering? 	can I have clustered?
can you have clustered?
can he have clustered?
can we have clustered?
can you have clustered?
can they have clustered? 	can I have been clustering?
can you have been clustering?
can he have been clustering?
can we have been clustering?
can you have been clustering?
can they have been clustering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not cluster?
can you not cluster?
can he not cluster?
can we not cluster?
can you not cluster?
can they not cluster? 	can I not be clustering?
can you not be clustering?
can he not be clustering?
can we not be clustering?
can you not be clustering?
can they not be clustering? 	can I not have clustered?
can you not have clustered?
can he not have clustered?
can we not have clustered?
can you not have clustered?
can they not have clustered? 	can I not have been clustering?
can you not have been clustering?
can he not have been clustering?
can we not have been clustering?
can you not have been clustering?
can they not have been clustering?