may flatten
Verbo regular: flatten - flattened- flattened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may flatten
you may flatten
he may flatten
we may flatten
you may flatten
they may flatten 	I may be flattening
you may be flattening
he may be flattening
we may be flattening
you may be flattening
they may be flattening	I may have flattened
you may have flattened
he may have flattened
we may have flattened
you may have flattened
they may have flattened	I may have been flattening
you may have been flattening
he may have been flattening
we may have been flattening
you may have been flattening
they may have been flattening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't flatten
you mayn't flatten
he mayn't flatten
we mayn't flatten
you mayn't flatten
they mayn't flatten 	I mayn't be flattening
you mayn't be flattening
he mayn't be flattening
we mayn't be flattening
you mayn't be flattening
they mayn't be flattening	I mayn't have flattened
you mayn't have flattened
he mayn't have flattened
we mayn't have flattened
you mayn't have flattened
they mayn't have flattened	I mayn't have been flattening
you mayn't have been flattening
he mayn't have been flattening
we mayn't have been flattening
you mayn't have been flattening
they mayn't have been flattening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I flatten?
may you flatten?
may he flatten?
may we flatten?
may you flatten?
may they flatten? 	may I be flattening?
may you be flattening?
may he be flattening?
may we be flattening?
may you be flattening?
may they be flattening? 	may I have flattened?
may you have flattened?
may he have flattened?
may we have flattened?
may you have flattened?
may they have flattened? 	may I have been flattening?
may you have been flattening?
may he have been flattening?
may we have been flattening?
may you have been flattening?
may they have been flattening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I flatten?
mayn't you flatten?
mayn't he flatten?
mayn't we flatten?
mayn't you flatten?
mayn't they flatten? 	mayn't I be flattening?
mayn't you be flattening?
mayn't he be flattening?
mayn't we be flattening?
mayn't you be flattening?
mayn't they be flattening? 	mayn't I have flattened?
mayn't you have flattened?
mayn't he have flattened?
mayn't we have flattened?
mayn't you have flattened?
mayn't they have flattened? 	mayn't I have been flattening?
mayn't you have been flattening?
mayn't he have been flattening?
mayn't we have been flattening?
mayn't you have been flattening?
mayn't they have been flattening?