may underrun
Verbo irregolare: underrun - underran- underrun

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may underrun
you may underrun
he may underrun
we may underrun
you may underrun
they may underrun 	I may be underruning
you may be underruning
he may be underruning
we may be underruning
you may be underruning
they may be underruning	I may have underrun
you may have underrun
he may have underrun
we may have underrun
you may have underrun
they may have underrun	I may have been underruning
you may have been underruning
he may have been underruning
we may have been underruning
you may have been underruning
they may have been underruning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mayn't underrun
you mayn't underrun
he mayn't underrun
we mayn't underrun
you mayn't underrun
they mayn't underrun 	I mayn't be underruning
you mayn't be underruning
he mayn't be underruning
we mayn't be underruning
you mayn't be underruning
they mayn't be underruning	I mayn't have underrun
you mayn't have underrun
he mayn't have underrun
we mayn't have underrun
you mayn't have underrun
they mayn't have underrun	I mayn't have been underruning
you mayn't have been underruning
he mayn't have been underruning
we mayn't have been underruning
you mayn't have been underruning
they mayn't have been underruning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I underrun?
may you underrun?
may he underrun?
may we underrun?
may you underrun?
may they underrun? 	may I be underruning?
may you be underruning?
may he be underruning?
may we be underruning?
may you be underruning?
may they be underruning? 	may I have underrun?
may you have underrun?
may he have underrun?
may we have underrun?
may you have underrun?
may they have underrun? 	may I have been underruning?
may you have been underruning?
may he have been underruning?
may we have been underruning?
may you have been underruning?
may they have been underruning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mayn't I underrun?
mayn't you underrun?
mayn't he underrun?
mayn't we underrun?
mayn't you underrun?
mayn't they underrun? 	mayn't I be underruning?
mayn't you be underruning?
mayn't he be underruning?
mayn't we be underruning?
mayn't you be underruning?
mayn't they be underruning? 	mayn't I have underrun?
mayn't you have underrun?
mayn't he have underrun?
mayn't we have underrun?
mayn't you have underrun?
mayn't they have underrun? 	mayn't I have been underruning?
mayn't you have been underruning?
mayn't he have been underruning?
mayn't we have been underruning?
mayn't you have been underruning?
mayn't they have been underruning?