may thumbtack
Verbo regular: thumbtack - thumbtacked- thumbtacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I may thumbtack
you may thumbtack
he may thumbtack
we may thumbtack
you may thumbtack
they may thumbtack 	I may be thumbtacking
you may be thumbtacking
he may be thumbtacking
we may be thumbtacking
you may be thumbtacking
they may be thumbtacking	I may have thumbtacked
you may have thumbtacked
he may have thumbtacked
we may have thumbtacked
you may have thumbtacked
they may have thumbtacked	I may have been thumbtacking
you may have been thumbtacking
he may have been thumbtacking
we may have been thumbtacking
you may have been thumbtacking
they may have been thumbtacking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mayn't thumbtack
you mayn't thumbtack
he mayn't thumbtack
we mayn't thumbtack
you mayn't thumbtack
they mayn't thumbtack 	I mayn't be thumbtacking
you mayn't be thumbtacking
he mayn't be thumbtacking
we mayn't be thumbtacking
you mayn't be thumbtacking
they mayn't be thumbtacking	I mayn't have thumbtacked
you mayn't have thumbtacked
he mayn't have thumbtacked
we mayn't have thumbtacked
you mayn't have thumbtacked
they mayn't have thumbtacked	I mayn't have been thumbtacking
you mayn't have been thumbtacking
he mayn't have been thumbtacking
we mayn't have been thumbtacking
you mayn't have been thumbtacking
they mayn't have been thumbtacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I thumbtack?
may you thumbtack?
may he thumbtack?
may we thumbtack?
may you thumbtack?
may they thumbtack? 	may I be thumbtacking?
may you be thumbtacking?
may he be thumbtacking?
may we be thumbtacking?
may you be thumbtacking?
may they be thumbtacking? 	may I have thumbtacked?
may you have thumbtacked?
may he have thumbtacked?
may we have thumbtacked?
may you have thumbtacked?
may they have thumbtacked? 	may I have been thumbtacking?
may you have been thumbtacking?
may he have been thumbtacking?
may we have been thumbtacking?
may you have been thumbtacking?
may they have been thumbtacking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mayn't I thumbtack?
mayn't you thumbtack?
mayn't he thumbtack?
mayn't we thumbtack?
mayn't you thumbtack?
mayn't they thumbtack? 	mayn't I be thumbtacking?
mayn't you be thumbtacking?
mayn't he be thumbtacking?
mayn't we be thumbtacking?
mayn't you be thumbtacking?
mayn't they be thumbtacking? 	mayn't I have thumbtacked?
mayn't you have thumbtacked?
mayn't he have thumbtacked?
mayn't we have thumbtacked?
mayn't you have thumbtacked?
mayn't they have thumbtacked? 	mayn't I have been thumbtacking?
mayn't you have been thumbtacking?
mayn't he have been thumbtacking?
mayn't we have been thumbtacking?
mayn't you have been thumbtacking?
mayn't they have been thumbtacking?