may retread
Verbo regular: retread - retreaded- retreaded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I may retread
you may retread
he may retread
we may retread
you may retread
they may retread 	I may be retreading
you may be retreading
he may be retreading
we may be retreading
you may be retreading
they may be retreading	I may have retreaded
you may have retreaded
he may have retreaded
we may have retreaded
you may have retreaded
they may have retreaded	I may have been retreading
you may have been retreading
he may have been retreading
we may have been retreading
you may have been retreading
they may have been retreading	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mayn't retread
you mayn't retread
he mayn't retread
we mayn't retread
you mayn't retread
they mayn't retread 	I mayn't be retreading
you mayn't be retreading
he mayn't be retreading
we mayn't be retreading
you mayn't be retreading
they mayn't be retreading	I mayn't have retreaded
you mayn't have retreaded
he mayn't have retreaded
we mayn't have retreaded
you mayn't have retreaded
they mayn't have retreaded	I mayn't have been retreading
you mayn't have been retreading
he mayn't have been retreading
we mayn't have been retreading
you mayn't have been retreading
they mayn't have been retreading	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I retread?
may you retread?
may he retread?
may we retread?
may you retread?
may they retread? 	may I be retreading?
may you be retreading?
may he be retreading?
may we be retreading?
may you be retreading?
may they be retreading? 	may I have retreaded?
may you have retreaded?
may he have retreaded?
may we have retreaded?
may you have retreaded?
may they have retreaded? 	may I have been retreading?
may you have been retreading?
may he have been retreading?
may we have been retreading?
may you have been retreading?
may they have been retreading? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mayn't I retread?
mayn't you retread?
mayn't he retread?
mayn't we retread?
mayn't you retread?
mayn't they retread? 	mayn't I be retreading?
mayn't you be retreading?
mayn't he be retreading?
mayn't we be retreading?
mayn't you be retreading?
mayn't they be retreading? 	mayn't I have retreaded?
mayn't you have retreaded?
mayn't he have retreaded?
mayn't we have retreaded?
mayn't you have retreaded?
mayn't they have retreaded? 	mayn't I have been retreading?
mayn't you have been retreading?
mayn't he have been retreading?
mayn't we have been retreading?
mayn't you have been retreading?
mayn't they have been retreading?