should base
Verbo regular: base - based- based

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd base
you'd base
he'd base
we'd base
you'd base
they'd base 	I'd be basing
you'd be basing
he'd be basing
we'd be basing
you'd be basing
they'd be basing	I should've based
you should've based
he should've based
we should've based
you should've based
they should've based	I should've been basing
you should've been basing
he should've been basing
we should've been basing
you should've been basing
they should've been basing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't base
you shouldn't base
he shouldn't base
we shouldn't base
you shouldn't base
they shouldn't base 	I shouldn't be basing
you shouldn't be basing
he shouldn't be basing
we shouldn't be basing
you shouldn't be basing
they shouldn't be basing	I shouldn't have based
you shouldn't have based
he shouldn't have based
we shouldn't have based
you shouldn't have based
they shouldn't have based	I shouldn't have been basing
you shouldn't have been basing
he shouldn't have been basing
we shouldn't have been basing
you shouldn't have been basing
they shouldn't have been basing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I base?
should you base?
should he base?
should we base?
should you base?
should they base? 	should I be basing?
should you be basing?
should he be basing?
should we be basing?
should you be basing?
should they be basing? 	should I have based?
should you have based?
should he have based?
should we have based?
should you have based?
should they have based? 	should I have been basing?
should you have been basing?
should he have been basing?
should we have been basing?
should you have been basing?
should they have been basing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I base?
shouldn't you base?
shouldn't he base?
shouldn't we base?
shouldn't you base?
shouldn't they base? 	shouldn't I be basing?
shouldn't you be basing?
shouldn't he be basing?
shouldn't we be basing?
shouldn't you be basing?
shouldn't they be basing? 	shouldn't I have based?
shouldn't you have based?
shouldn't he have based?
shouldn't we have based?
shouldn't you have based?
shouldn't they have based? 	shouldn't I have been basing?
shouldn't you have been basing?
shouldn't he have been basing?
shouldn't we have been basing?
shouldn't you have been basing?
shouldn't they have been basing?