may thumbtack
Verbe régulier : thumbtack - thumbtacked- thumbtacked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may not thumbtack
you may not thumbtack
he 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
he 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
he 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
he may not have been thumbtacking
we may not have been thumbtacking
you may not have been thumbtacking
they may not have been thumbtacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en 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? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I not thumbtack?
may you not thumbtack?
may he 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 he 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 he 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 he not have been thumbtacking?
may we not have been thumbtacking?
may you not have been thumbtacking?
may they not have been thumbtacking?