may grumble
Verbo regolare: grumble - grumbled- grumbled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may grumble
you may grumble
he may grumble
we may grumble
you may grumble
they may grumble 	I may be grumbling
you may be grumbling
he may be grumbling
we may be grumbling
you may be grumbling
they may be grumbling	I may have grumbled
you may have grumbled
he may have grumbled
we may have grumbled
you may have grumbled
they may have grumbled	I may have been grumbling
you may have been grumbling
he may have been grumbling
we may have been grumbling
you may have been grumbling
they may have been grumbling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I may not grumble
you may not grumble
he may not grumble
we may not grumble
you may not grumble
they may not grumble 	I may not be grumbling
you may not be grumbling
he may not be grumbling
we may not be grumbling
you may not be grumbling
they may not be grumbling	I may not have grumbled
you may not have grumbled
he may not have grumbled
we may not have grumbled
you may not have grumbled
they may not have grumbled	I may not have been grumbling
you may not have been grumbling
he may not have been grumbling
we may not have been grumbling
you may not have been grumbling
they may not have been grumbling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I grumble?
may you grumble?
may he grumble?
may we grumble?
may you grumble?
may they grumble? 	may I be grumbling?
may you be grumbling?
may he be grumbling?
may we be grumbling?
may you be grumbling?
may they be grumbling? 	may I have grumbled?
may you have grumbled?
may he have grumbled?
may we have grumbled?
may you have grumbled?
may they have grumbled? 	may I have been grumbling?
may you have been grumbling?
may he have been grumbling?
may we have been grumbling?
may you have been grumbling?
may they have been grumbling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
may I not grumble?
may you not grumble?
may he not grumble?
may we not grumble?
may you not grumble?
may they not grumble? 	may I not be grumbling?
may you not be grumbling?
may he not be grumbling?
may we not be grumbling?
may you not be grumbling?
may they not be grumbling? 	may I not have grumbled?
may you not have grumbled?
may he not have grumbled?
may we not have grumbled?
may you not have grumbled?
may they not have grumbled? 	may I not have been grumbling?
may you not have been grumbling?
may he not have been grumbling?
may we not have been grumbling?
may you not have been grumbling?
may they not have been grumbling?