may retread
Regular verb: retread - retreaded- retreaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not retread
you may not retread
he may not retread
we may not retread
you may not retread
they may not retread 	I may not be retreading
you may not be retreading
he may not be retreading
we may not be retreading
you may not be retreading
they may not be retreading	I may not have retreaded
you may not have retreaded
he may not have retreaded
we may not have retreaded
you may not have retreaded
they may not have retreaded	I may not have been retreading
you may not have been retreading
he may not have been retreading
we may not have been retreading
you may not have been retreading
they may not have been retreading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not retread?
may you not retread?
may he not retread?
may we not retread?
may you not retread?
may they not retread? 	may I not be retreading?
may you not be retreading?
may he not be retreading?
may we not be retreading?
may you not be retreading?
may they not be retreading? 	may I not have retreaded?
may you not have retreaded?
may he not have retreaded?
may we not have retreaded?
may you not have retreaded?
may they not have retreaded? 	may I not have been retreading?
may you not have been retreading?
may he not have been retreading?
may we not have been retreading?
may you not have been retreading?
may they not have been retreading?