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
she may thumbtack
we may thumbtack
you may thumbtack
they may thumbtack 	I may be thumbtacking
you may be thumbtacking
she may be thumbtacking
we may be thumbtacking
you may be thumbtacking
they may be thumbtacking	I may have thumbtacked
you may have thumbtacked
she 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
she 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 may not thumbtack
you may not thumbtack
she may not thumbtack
we may not thumbtack
you may not thumbtack
they may not thumbtack 	I may not be thumbtacking
you may not be thumbtacking
she may not be thumbtacking
we may not be thumbtacking
you may not be thumbtacking
they may not be thumbtacking	I may not have thumbtacked
you may not have thumbtacked
she may not have thumbtacked
we may not have thumbtacked
you may not have thumbtacked
they may not have thumbtacked	I may not have been thumbtacking
you may not have been thumbtacking
she may not have been thumbtacking
we may not have been thumbtacking
you may not have been thumbtacking
they may not have been thumbtacking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
may I thumbtack?
may you thumbtack?
may she thumbtack?
may we thumbtack?
may you thumbtack?
may they thumbtack? 	may I be thumbtacking?
may you be thumbtacking?
may she be thumbtacking?
may we be thumbtacking?
may you be thumbtacking?
may they be thumbtacking? 	may I have thumbtacked?
may you have thumbtacked?
may she 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 she 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 	
may I not thumbtack?
may you not thumbtack?
may she not thumbtack?
may we not thumbtack?
may you not thumbtack?
may they not thumbtack? 	may I not be thumbtacking?
may you not be thumbtacking?
may she not be thumbtacking?
may we not be thumbtacking?
may you not be thumbtacking?
may they not be thumbtacking? 	may I not have thumbtacked?
may you not have thumbtacked?
may she not have thumbtacked?
may we not have thumbtacked?
may you not have thumbtacked?
may they not have thumbtacked? 	may I not have been thumbtacking?
may you not have been thumbtacking?
may she not have been thumbtacking?
may we not have been thumbtacking?
may you not have been thumbtacking?
may they not have been thumbtacking?