English verb conjugation
SHOULD CAVIL

Regular verb: cavil - cavilled - cavilled

Affirmation

Simple form	V-ing form
I'd cavil you'd cavil he'd cavil we'd cavil you'd cavil they'd cavil	I'd be cavilling you'd be cavilling he'd be cavilling we'd be cavilling you'd be cavilling they'd be cavilling
Perfect	V-ing perfect
I should've cavilled you should've cavilled he should've cavilled we should've cavilled you should've cavilled they should've cavilled	I should've been cavilling you should've been cavilling he should've been cavilling we should've been cavilling you should've been cavilling they should've been cavilling

Negation

Simple form	V-ing form
I shouldn't cavil you shouldn't cavil he shouldn't cavil we shouldn't cavil you shouldn't cavil they shouldn't cavil	I shouldn't be cavilling you shouldn't be cavilling he shouldn't be cavilling we shouldn't be cavilling you shouldn't be cavilling they shouldn't be cavilling
Perfect	V-ing perfect
I shouldn't have cavilled you shouldn't have cavilled he shouldn't have cavilled we shouldn't have cavilled you shouldn't have cavilled they shouldn't have cavilled	I shouldn't have been cavilling you shouldn't have been cavilling he shouldn't have been cavilling we shouldn't have been cavilling you shouldn't have been cavilling they shouldn't have been cavilling

Interrogative form

Simple form	V-ing form
should I cavil? should you cavil? should he cavil? should we cavil? should you cavil? should they cavil?	should I be cavilling? should you be cavilling? should he be cavilling? should we be cavilling? should you be cavilling? should they be cavilling?
Perfect	V-ing perfect
should I have cavilled? should you have cavilled? should he have cavilled? should we have cavilled? should you have cavilled? should they have cavilled?	should I have been cavilling? should you have been cavilling? should he have been cavilling? should we have been cavilling? should you have been cavilling? should they have been cavilling?

Interro-negative form

Simple form	V-ing form
shouldn't I cavil? shouldn't you cavil? shouldn't he cavil? shouldn't we cavil? shouldn't you cavil? shouldn't they cavil?	shouldn't I be cavilling? shouldn't you be cavilling? shouldn't he be cavilling? shouldn't we be cavilling? shouldn't you be cavilling? shouldn't they be cavilling?
Perfect	V-ing perfect
shouldn't I have cavilled? shouldn't you have cavilled? shouldn't he have cavilled? shouldn't we have cavilled? shouldn't you have cavilled? shouldn't they have cavilled?	shouldn't I have been cavilling? shouldn't you have been cavilling? shouldn't he have been cavilling? shouldn't we have been cavilling? shouldn't you have been cavilling? shouldn't they have been cavilling?