should echo
Verbo regular: echo - echoed- echoed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd echo
you'd echo
she'd echo
we'd echo
you'd echo
they'd echo 	I'd be echoing
you'd be echoing
she'd be echoing
we'd be echoing
you'd be echoing
they'd be echoing	I should've echoed
you should've echoed
she should've echoed
we should've echoed
you should've echoed
they should've echoed	I should've been echoing
you should've been echoing
she should've been echoing
we should've been echoing
you should've been echoing
they should've been echoing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't echo
you shouldn't echo
she shouldn't echo
we shouldn't echo
you shouldn't echo
they shouldn't echo 	I shouldn't be echoing
you shouldn't be echoing
she shouldn't be echoing
we shouldn't be echoing
you shouldn't be echoing
they shouldn't be echoing	I shouldn't have echoed
you shouldn't have echoed
she shouldn't have echoed
we shouldn't have echoed
you shouldn't have echoed
they shouldn't have echoed	I shouldn't have been echoing
you shouldn't have been echoing
she shouldn't have been echoing
we shouldn't have been echoing
you shouldn't have been echoing
they shouldn't have been echoing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I echo?
should you echo?
should she echo?
should we echo?
should you echo?
should they echo? 	should I be echoing?
should you be echoing?
should she be echoing?
should we be echoing?
should you be echoing?
should they be echoing? 	should I have echoed?
should you have echoed?
should she have echoed?
should we have echoed?
should you have echoed?
should they have echoed? 	should I have been echoing?
should you have been echoing?
should she have been echoing?
should we have been echoing?
should you have been echoing?
should they have been echoing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I echo?
shouldn't you echo?
shouldn't she echo?
shouldn't we echo?
shouldn't you echo?
shouldn't they echo? 	shouldn't I be echoing?
shouldn't you be echoing?
shouldn't she be echoing?
shouldn't we be echoing?
shouldn't you be echoing?
shouldn't they be echoing? 	shouldn't I have echoed?
shouldn't you have echoed?
shouldn't she have echoed?
shouldn't we have echoed?
shouldn't you have echoed?
shouldn't they have echoed? 	shouldn't I have been echoing?
shouldn't you have been echoing?
shouldn't she have been echoing?
shouldn't we have been echoing?
shouldn't you have been echoing?
shouldn't they have been echoing?