Conjugación del verbo inglés
SHOULD ECHO

Verbo regular: echo - echoed - echoed

Afirmación

Forma simple	Forma con V-ing
I'd echo you'd echo he'd echo we'd echo you'd echo they'd echo	I'd be echoing you'd be echoing he'd be echoing we'd be echoing you'd be echoing they'd be echoing
Perfecto	Perfecto con V-ing
I should've echoed you should've echoed he 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 he should've been echoing we should've been echoing you should've been echoing they should've been echoing

Negación

Forma simple	Forma con V-ing
I shouldn't echo you shouldn't echo he 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 he shouldn't be echoing we shouldn't be echoing you shouldn't be echoing they shouldn't be echoing
Perfecto	Perfecto con V-ing
I shouldn't have echoed you shouldn't have echoed he 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 he 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 con V-ing
should I echo? should you echo? should he echo? should we echo? should you echo? should they echo?	should I be echoing? should you be echoing? should he be echoing? should we be echoing? should you be echoing? should they be echoing?
Perfecto	Perfecto con V-ing
should I have echoed? should you have echoed? should he 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 he have been echoing? should we have been echoing? should you have been echoing? should they have been echoing?

Forma interro-negativa

Forma simple	Forma con V-ing
shouldn't I echo? shouldn't you echo? shouldn't he 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 he be echoing? shouldn't we be echoing? shouldn't you be echoing? shouldn't they be echoing?
Perfecto	Perfecto con V-ing
shouldn't I have echoed? shouldn't you have echoed? shouldn't he 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 he have been echoing? shouldn't we have been echoing? shouldn't you have been echoing? shouldn't they have been echoing?