English verb conjugation
SHOULD PARBOIL

Regular verb: parboil - parboiled - parboiled

Affirmation

Simple form	V-ing form
I'd parboil you'd parboil he'd parboil we'd parboil you'd parboil they'd parboil	I'd be parboiling you'd be parboiling he'd be parboiling we'd be parboiling you'd be parboiling they'd be parboiling
Perfect	V-ing perfect
I should've parboiled you should've parboiled he should've parboiled we should've parboiled you should've parboiled they should've parboiled	I should've been parboiling you should've been parboiling he should've been parboiling we should've been parboiling you should've been parboiling they should've been parboiling

Negation

Simple form	V-ing form
I shouldn't parboil you shouldn't parboil he shouldn't parboil we shouldn't parboil you shouldn't parboil they shouldn't parboil	I shouldn't be parboiling you shouldn't be parboiling he shouldn't be parboiling we shouldn't be parboiling you shouldn't be parboiling they shouldn't be parboiling
Perfect	V-ing perfect
I shouldn't have parboiled you shouldn't have parboiled he shouldn't have parboiled we shouldn't have parboiled you shouldn't have parboiled they shouldn't have parboiled	I shouldn't have been parboiling you shouldn't have been parboiling he shouldn't have been parboiling we shouldn't have been parboiling you shouldn't have been parboiling they shouldn't have been parboiling

Interrogative form

Simple form	V-ing form
should I parboil? should you parboil? should he parboil? should we parboil? should you parboil? should they parboil?	should I be parboiling? should you be parboiling? should he be parboiling? should we be parboiling? should you be parboiling? should they be parboiling?
Perfect	V-ing perfect
should I have parboiled? should you have parboiled? should he have parboiled? should we have parboiled? should you have parboiled? should they have parboiled?	should I have been parboiling? should you have been parboiling? should he have been parboiling? should we have been parboiling? should you have been parboiling? should they have been parboiling?

Interro-negative form

Simple form	V-ing form
shouldn't I parboil? shouldn't you parboil? shouldn't he parboil? shouldn't we parboil? shouldn't you parboil? shouldn't they parboil?	shouldn't I be parboiling? shouldn't you be parboiling? shouldn't he be parboiling? shouldn't we be parboiling? shouldn't you be parboiling? shouldn't they be parboiling?
Perfect	V-ing perfect
shouldn't I have parboiled? shouldn't you have parboiled? shouldn't he have parboiled? shouldn't we have parboiled? shouldn't you have parboiled? shouldn't they have parboiled?	shouldn't I have been parboiling? shouldn't you have been parboiling? shouldn't he have been parboiling? shouldn't we have been parboiling? shouldn't you have been parboiling? shouldn't they have been parboiling?