English verb conjugation
SHOULD DECODE

Regular verb: decode - decoded - decoded

Affirmation

Simple form	V-ing form
I'd decode you'd decode he'd decode we'd decode you'd decode they'd decode	I'd be decoding you'd be decoding he'd be decoding we'd be decoding you'd be decoding they'd be decoding
Perfect	V-ing perfect
I should've decoded you should've decoded he should've decoded we should've decoded you should've decoded they should've decoded	I should've been decoding you should've been decoding he should've been decoding we should've been decoding you should've been decoding they should've been decoding

Negation

Simple form	V-ing form
I shouldn't decode you shouldn't decode he shouldn't decode we shouldn't decode you shouldn't decode they shouldn't decode	I shouldn't be decoding you shouldn't be decoding he shouldn't be decoding we shouldn't be decoding you shouldn't be decoding they shouldn't be decoding
Perfect	V-ing perfect
I shouldn't have decoded you shouldn't have decoded he shouldn't have decoded we shouldn't have decoded you shouldn't have decoded they shouldn't have decoded	I shouldn't have been decoding you shouldn't have been decoding he shouldn't have been decoding we shouldn't have been decoding you shouldn't have been decoding they shouldn't have been decoding

Interrogative form

Simple form	V-ing form
should I decode? should you decode? should he decode? should we decode? should you decode? should they decode?	should I be decoding? should you be decoding? should he be decoding? should we be decoding? should you be decoding? should they be decoding?
Perfect	V-ing perfect
should I have decoded? should you have decoded? should he have decoded? should we have decoded? should you have decoded? should they have decoded?	should I have been decoding? should you have been decoding? should he have been decoding? should we have been decoding? should you have been decoding? should they have been decoding?

Interro-negative form

Simple form	V-ing form
shouldn't I decode? shouldn't you decode? shouldn't he decode? shouldn't we decode? shouldn't you decode? shouldn't they decode?	shouldn't I be decoding? shouldn't you be decoding? shouldn't he be decoding? shouldn't we be decoding? shouldn't you be decoding? shouldn't they be decoding?
Perfect	V-ing perfect
shouldn't I have decoded? shouldn't you have decoded? shouldn't he have decoded? shouldn't we have decoded? shouldn't you have decoded? shouldn't they have decoded?	shouldn't I have been decoding? shouldn't you have been decoding? shouldn't he have been decoding? shouldn't we have been decoding? shouldn't you have been decoding? shouldn't they have been decoding?