English verb conjugation
SHOULD ECHO

Regular verb: echo - echoed - echoed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?