may concenter
Verbo regolare: concenter - concentered- concentered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may concenter
you may concenter
he may concenter
we may concenter
you may concenter
they may concenter 	I may be concentering
you may be concentering
he may be concentering
we may be concentering
you may be concentering
they may be concentering	I may have concentered
you may have concentered
he may have concentered
we may have concentered
you may have concentered
they may have concentered	I may have been concentering
you may have been concentering
he may have been concentering
we may have been concentering
you may have been concentering
they may have been concentering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may not concenter
you may not concenter
he may not concenter
we may not concenter
you may not concenter
they may not concenter 	I may not be concentering
you may not be concentering
he may not be concentering
we may not be concentering
you may not be concentering
they may not be concentering	I may not have concentered
you may not have concentered
he may not have concentered
we may not have concentered
you may not have concentered
they may not have concentered	I may not have been concentering
you may not have been concentering
he may not have been concentering
we may not have been concentering
you may not have been concentering
they may not have been concentering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I concenter?
may you concenter?
may he concenter?
may we concenter?
may you concenter?
may they concenter? 	may I be concentering?
may you be concentering?
may he be concentering?
may we be concentering?
may you be concentering?
may they be concentering? 	may I have concentered?
may you have concentered?
may he have concentered?
may we have concentered?
may you have concentered?
may they have concentered? 	may I have been concentering?
may you have been concentering?
may he have been concentering?
may we have been concentering?
may you have been concentering?
may they have been concentering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I not concenter?
may you not concenter?
may he not concenter?
may we not concenter?
may you not concenter?
may they not concenter? 	may I not be concentering?
may you not be concentering?
may he not be concentering?
may we not be concentering?
may you not be concentering?
may they not be concentering? 	may I not have concentered?
may you not have concentered?
may he not have concentered?
may we not have concentered?
may you not have concentered?
may they not have concentered? 	may I not have been concentering?
may you not have been concentering?
may he not have been concentering?
may we not have been concentering?
may you not have been concentering?
may they not have been concentering?