may quack
Verbo regolare: quack - quacked- quacked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may quack
you may quack
he may quack
we may quack
you may quack
they may quack 	I may be quacking
you may be quacking
he may be quacking
we may be quacking
you may be quacking
they may be quacking	I may have quacked
you may have quacked
he may have quacked
we may have quacked
you may have quacked
they may have quacked	I may have been quacking
you may have been quacking
he may have been quacking
we may have been quacking
you may have been quacking
they may have been quacking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mayn't quack
you mayn't quack
he mayn't quack
we mayn't quack
you mayn't quack
they mayn't quack 	I mayn't be quacking
you mayn't be quacking
he mayn't be quacking
we mayn't be quacking
you mayn't be quacking
they mayn't be quacking	I mayn't have quacked
you mayn't have quacked
he mayn't have quacked
we mayn't have quacked
you mayn't have quacked
they mayn't have quacked	I mayn't have been quacking
you mayn't have been quacking
he mayn't have been quacking
we mayn't have been quacking
you mayn't have been quacking
they mayn't have been quacking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I quack?
may you quack?
may he quack?
may we quack?
may you quack?
may they quack? 	may I be quacking?
may you be quacking?
may he be quacking?
may we be quacking?
may you be quacking?
may they be quacking? 	may I have quacked?
may you have quacked?
may he have quacked?
may we have quacked?
may you have quacked?
may they have quacked? 	may I have been quacking?
may you have been quacking?
may he have been quacking?
may we have been quacking?
may you have been quacking?
may they have been quacking? 	

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