may flutter
Verbo regular: flutter - fluttered- fluttered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may flutter
you may flutter
he may flutter
we may flutter
you may flutter
they may flutter 	I may be fluttering
you may be fluttering
he may be fluttering
we may be fluttering
you may be fluttering
they may be fluttering	I may have fluttered
you may have fluttered
he may have fluttered
we may have fluttered
you may have fluttered
they may have fluttered	I may have been fluttering
you may have been fluttering
he may have been fluttering
we may have been fluttering
you may have been fluttering
they may have been fluttering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may not flutter
you may not flutter
he may not flutter
we may not flutter
you may not flutter
they may not flutter 	I may not be fluttering
you may not be fluttering
he may not be fluttering
we may not be fluttering
you may not be fluttering
they may not be fluttering	I may not have fluttered
you may not have fluttered
he may not have fluttered
we may not have fluttered
you may not have fluttered
they may not have fluttered	I may not have been fluttering
you may not have been fluttering
he may not have been fluttering
we may not have been fluttering
you may not have been fluttering
they may not have been fluttering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I flutter?
may you flutter?
may he flutter?
may we flutter?
may you flutter?
may they flutter? 	may I be fluttering?
may you be fluttering?
may he be fluttering?
may we be fluttering?
may you be fluttering?
may they be fluttering? 	may I have fluttered?
may you have fluttered?
may he have fluttered?
may we have fluttered?
may you have fluttered?
may they have fluttered? 	may I have been fluttering?
may you have been fluttering?
may he have been fluttering?
may we have been fluttering?
may you have been fluttering?
may they have been fluttering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I not flutter?
may you not flutter?
may he not flutter?
may we not flutter?
may you not flutter?
may they not flutter? 	may I not be fluttering?
may you not be fluttering?
may he not be fluttering?
may we not be fluttering?
may you not be fluttering?
may they not be fluttering? 	may I not have fluttered?
may you not have fluttered?
may he not have fluttered?
may we not have fluttered?
may you not have fluttered?
may they not have fluttered? 	may I not have been fluttering?
may you not have been fluttering?
may he not have been fluttering?
may we not have been fluttering?
may you not have been fluttering?
may they not have been fluttering?