may grump
Verbo regular: grump - grumped- grumped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may grump
you may grump
he may grump
we may grump
you may grump
they may grump 	I may be grumping
you may be grumping
he may be grumping
we may be grumping
you may be grumping
they may be grumping	I may have grumped
you may have grumped
he may have grumped
we may have grumped
you may have grumped
they may have grumped	I may have been grumping
you may have been grumping
he may have been grumping
we may have been grumping
you may have been grumping
they may have been grumping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may not grump
you may not grump
he may not grump
we may not grump
you may not grump
they may not grump 	I may not be grumping
you may not be grumping
he may not be grumping
we may not be grumping
you may not be grumping
they may not be grumping	I may not have grumped
you may not have grumped
he may not have grumped
we may not have grumped
you may not have grumped
they may not have grumped	I may not have been grumping
you may not have been grumping
he may not have been grumping
we may not have been grumping
you may not have been grumping
they may not have been grumping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I grump?
may you grump?
may he grump?
may we grump?
may you grump?
may they grump? 	may I be grumping?
may you be grumping?
may he be grumping?
may we be grumping?
may you be grumping?
may they be grumping? 	may I have grumped?
may you have grumped?
may he have grumped?
may we have grumped?
may you have grumped?
may they have grumped? 	may I have been grumping?
may you have been grumping?
may he have been grumping?
may we have been grumping?
may you have been grumping?
may they have been grumping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I not grump?
may you not grump?
may he not grump?
may we not grump?
may you not grump?
may they not grump? 	may I not be grumping?
may you not be grumping?
may he not be grumping?
may we not be grumping?
may you not be grumping?
may they not be grumping? 	may I not have grumped?
may you not have grumped?
may he not have grumped?
may we not have grumped?
may you not have grumped?
may they not have grumped? 	may I not have been grumping?
may you not have been grumping?
may he not have been grumping?
may we not have been grumping?
may you not have been grumping?
may they not have been grumping?