should undertain
Verbo regular: undertain - undertained- undertained

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd undertain
you'd undertain
she'd undertain
we'd undertain
you'd undertain
they'd undertain 	I'd be undertaining
you'd be undertaining
she'd be undertaining
we'd be undertaining
you'd be undertaining
they'd be undertaining	I should've undertained
you should've undertained
she should've undertained
we should've undertained
you should've undertained
they should've undertained	I should've been undertaining
you should've been undertaining
she should've been undertaining
we should've been undertaining
you should've been undertaining
they should've been undertaining	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't undertain
you shouldn't undertain
she shouldn't undertain
we shouldn't undertain
you shouldn't undertain
they shouldn't undertain 	I shouldn't be undertaining
you shouldn't be undertaining
she shouldn't be undertaining
we shouldn't be undertaining
you shouldn't be undertaining
they shouldn't be undertaining	I shouldn't have undertained
you shouldn't have undertained
she shouldn't have undertained
we shouldn't have undertained
you shouldn't have undertained
they shouldn't have undertained	I shouldn't have been undertaining
you shouldn't have been undertaining
she shouldn't have been undertaining
we shouldn't have been undertaining
you shouldn't have been undertaining
they shouldn't have been undertaining	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I undertain?
should you undertain?
should she undertain?
should we undertain?
should you undertain?
should they undertain? 	should I be undertaining?
should you be undertaining?
should she be undertaining?
should we be undertaining?
should you be undertaining?
should they be undertaining? 	should I have undertained?
should you have undertained?
should she have undertained?
should we have undertained?
should you have undertained?
should they have undertained? 	should I have been undertaining?
should you have been undertaining?
should she have been undertaining?
should we have been undertaining?
should you have been undertaining?
should they have been undertaining? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I undertain?
shouldn't you undertain?
shouldn't she undertain?
shouldn't we undertain?
shouldn't you undertain?
shouldn't they undertain? 	shouldn't I be undertaining?
shouldn't you be undertaining?
shouldn't she be undertaining?
shouldn't we be undertaining?
shouldn't you be undertaining?
shouldn't they be undertaining? 	shouldn't I have undertained?
shouldn't you have undertained?
shouldn't she have undertained?
shouldn't we have undertained?
shouldn't you have undertained?
shouldn't they have undertained? 	shouldn't I have been undertaining?
shouldn't you have been undertaining?
shouldn't she have been undertaining?
shouldn't we have been undertaining?
shouldn't you have been undertaining?
shouldn't they have been undertaining?