should attain
Verbo regular: attain - attained- attained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd attain
you'd attain
he'd attain
we'd attain
you'd attain
they'd attain 	I'd be attaining
you'd be attaining
he'd be attaining
we'd be attaining
you'd be attaining
they'd be attaining	I should've attained
you should've attained
he should've attained
we should've attained
you should've attained
they should've attained	I should've been attaining
you should've been attaining
he should've been attaining
we should've been attaining
you should've been attaining
they should've been attaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't attain
you shouldn't attain
he shouldn't attain
we shouldn't attain
you shouldn't attain
they shouldn't attain 	I shouldn't be attaining
you shouldn't be attaining
he shouldn't be attaining
we shouldn't be attaining
you shouldn't be attaining
they shouldn't be attaining	I shouldn't have attained
you shouldn't have attained
he shouldn't have attained
we shouldn't have attained
you shouldn't have attained
they shouldn't have attained	I shouldn't have been attaining
you shouldn't have been attaining
he shouldn't have been attaining
we shouldn't have been attaining
you shouldn't have been attaining
they shouldn't have been attaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I attain?
should you attain?
should he attain?
should we attain?
should you attain?
should they attain? 	should I be attaining?
should you be attaining?
should he be attaining?
should we be attaining?
should you be attaining?
should they be attaining? 	should I have attained?
should you have attained?
should he have attained?
should we have attained?
should you have attained?
should they have attained? 	should I have been attaining?
should you have been attaining?
should he have been attaining?
should we have been attaining?
should you have been attaining?
should they have been attaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I attain?
shouldn't you attain?
shouldn't he attain?
shouldn't we attain?
shouldn't you attain?
shouldn't they attain? 	shouldn't I be attaining?
shouldn't you be attaining?
shouldn't he be attaining?
shouldn't we be attaining?
shouldn't you be attaining?
shouldn't they be attaining? 	shouldn't I have attained?
shouldn't you have attained?
shouldn't he have attained?
shouldn't we have attained?
shouldn't you have attained?
shouldn't they have attained? 	shouldn't I have been attaining?
shouldn't you have been attaining?
shouldn't he have been attaining?
shouldn't we have been attaining?
shouldn't you have been attaining?
shouldn't they have been attaining?