may quarterback
Verbo regular: quarterback - quarterbacked- quarterbacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may quarterback
you may quarterback
he may quarterback
we may quarterback
you may quarterback
they may quarterback 	I may be quarterbacking
you may be quarterbacking
he may be quarterbacking
we may be quarterbacking
you may be quarterbacking
they may be quarterbacking	I may have quarterbacked
you may have quarterbacked
he may have quarterbacked
we may have quarterbacked
you may have quarterbacked
they may have quarterbacked	I may have been quarterbacking
you may have been quarterbacking
he may have been quarterbacking
we may have been quarterbacking
you may have been quarterbacking
they may have been quarterbacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't quarterback
you mayn't quarterback
he mayn't quarterback
we mayn't quarterback
you mayn't quarterback
they mayn't quarterback 	I mayn't be quarterbacking
you mayn't be quarterbacking
he mayn't be quarterbacking
we mayn't be quarterbacking
you mayn't be quarterbacking
they mayn't be quarterbacking	I mayn't have quarterbacked
you mayn't have quarterbacked
he mayn't have quarterbacked
we mayn't have quarterbacked
you mayn't have quarterbacked
they mayn't have quarterbacked	I mayn't have been quarterbacking
you mayn't have been quarterbacking
he mayn't have been quarterbacking
we mayn't have been quarterbacking
you mayn't have been quarterbacking
they mayn't have been quarterbacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I quarterback?
may you quarterback?
may he quarterback?
may we quarterback?
may you quarterback?
may they quarterback? 	may I be quarterbacking?
may you be quarterbacking?
may he be quarterbacking?
may we be quarterbacking?
may you be quarterbacking?
may they be quarterbacking? 	may I have quarterbacked?
may you have quarterbacked?
may he have quarterbacked?
may we have quarterbacked?
may you have quarterbacked?
may they have quarterbacked? 	may I have been quarterbacking?
may you have been quarterbacking?
may he have been quarterbacking?
may we have been quarterbacking?
may you have been quarterbacking?
may they have been quarterbacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I quarterback?
mayn't you quarterback?
mayn't he quarterback?
mayn't we quarterback?
mayn't you quarterback?
mayn't they quarterback? 	mayn't I be quarterbacking?
mayn't you be quarterbacking?
mayn't he be quarterbacking?
mayn't we be quarterbacking?
mayn't you be quarterbacking?
mayn't they be quarterbacking? 	mayn't I have quarterbacked?
mayn't you have quarterbacked?
mayn't he have quarterbacked?
mayn't we have quarterbacked?
mayn't you have quarterbacked?
mayn't they have quarterbacked? 	mayn't I have been quarterbacking?
mayn't you have been quarterbacking?
mayn't he have been quarterbacking?
mayn't we have been quarterbacking?
mayn't you have been quarterbacking?
mayn't they have been quarterbacking?