should thumbtack
Verbo regular: thumbtack - thumbtacked- thumbtacked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd thumbtack
you'd thumbtack
he'd thumbtack
we'd thumbtack
you'd thumbtack
they'd thumbtack 	I'd be thumbtacking
you'd be thumbtacking
he'd be thumbtacking
we'd be thumbtacking
you'd be thumbtacking
they'd be thumbtacking	I should've thumbtacked
you should've thumbtacked
he should've thumbtacked
we should've thumbtacked
you should've thumbtacked
they should've thumbtacked	I should've been thumbtacking
you should've been thumbtacking
he should've been thumbtacking
we should've been thumbtacking
you should've been thumbtacking
they should've been thumbtacking	

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

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

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