English verb conjugation
SHOULD PRECODE

Regular verb: precode - precoded - precoded

Affirmation

Simple form	V-ing form
I'd precode you'd precode he'd precode we'd precode you'd precode they'd precode	I'd be precoding you'd be precoding he'd be precoding we'd be precoding you'd be precoding they'd be precoding
Perfect	V-ing perfect
I should've precoded you should've precoded he should've precoded we should've precoded you should've precoded they should've precoded	I should've been precoding you should've been precoding he should've been precoding we should've been precoding you should've been precoding they should've been precoding

Negation

Simple form	V-ing form
I shouldn't precode you shouldn't precode he shouldn't precode we shouldn't precode you shouldn't precode they shouldn't precode	I shouldn't be precoding you shouldn't be precoding he shouldn't be precoding we shouldn't be precoding you shouldn't be precoding they shouldn't be precoding
Perfect	V-ing perfect
I shouldn't have precoded you shouldn't have precoded he shouldn't have precoded we shouldn't have precoded you shouldn't have precoded they shouldn't have precoded	I shouldn't have been precoding you shouldn't have been precoding he shouldn't have been precoding we shouldn't have been precoding you shouldn't have been precoding they shouldn't have been precoding

Interrogative form

Simple form	V-ing form
should I precode? should you precode? should he precode? should we precode? should you precode? should they precode?	should I be precoding? should you be precoding? should he be precoding? should we be precoding? should you be precoding? should they be precoding?
Perfect	V-ing perfect
should I have precoded? should you have precoded? should he have precoded? should we have precoded? should you have precoded? should they have precoded?	should I have been precoding? should you have been precoding? should he have been precoding? should we have been precoding? should you have been precoding? should they have been precoding?

Interro-negative form

Simple form	V-ing form
shouldn't I precode? shouldn't you precode? shouldn't he precode? shouldn't we precode? shouldn't you precode? shouldn't they precode?	shouldn't I be precoding? shouldn't you be precoding? shouldn't he be precoding? shouldn't we be precoding? shouldn't you be precoding? shouldn't they be precoding?
Perfect	V-ing perfect
shouldn't I have precoded? shouldn't you have precoded? shouldn't he have precoded? shouldn't we have precoded? shouldn't you have precoded? shouldn't they have precoded?	shouldn't I have been precoding? shouldn't you have been precoding? shouldn't he have been precoding? shouldn't we have been precoding? shouldn't you have been precoding? shouldn't they have been precoding?