English verb conjugation
SHOULD TWILL

Regular verb: twill - twilled - twilled

Affirmation

Simple form	V-ing form
I'd twill you'd twill he'd twill we'd twill you'd twill they'd twill	I'd be twilling you'd be twilling he'd be twilling we'd be twilling you'd be twilling they'd be twilling
Perfect	V-ing perfect
I should've twilled you should've twilled he should've twilled we should've twilled you should've twilled they should've twilled	I should've been twilling you should've been twilling he should've been twilling we should've been twilling you should've been twilling they should've been twilling

Negation

Simple form	V-ing form
I shouldn't twill you shouldn't twill he shouldn't twill we shouldn't twill you shouldn't twill they shouldn't twill	I shouldn't be twilling you shouldn't be twilling he shouldn't be twilling we shouldn't be twilling you shouldn't be twilling they shouldn't be twilling
Perfect	V-ing perfect
I shouldn't have twilled you shouldn't have twilled he shouldn't have twilled we shouldn't have twilled you shouldn't have twilled they shouldn't have twilled	I shouldn't have been twilling you shouldn't have been twilling he shouldn't have been twilling we shouldn't have been twilling you shouldn't have been twilling they shouldn't have been twilling

Interrogative form

Simple form	V-ing form
should I twill? should you twill? should he twill? should we twill? should you twill? should they twill?	should I be twilling? should you be twilling? should he be twilling? should we be twilling? should you be twilling? should they be twilling?
Perfect	V-ing perfect
should I have twilled? should you have twilled? should he have twilled? should we have twilled? should you have twilled? should they have twilled?	should I have been twilling? should you have been twilling? should he have been twilling? should we have been twilling? should you have been twilling? should they have been twilling?

Interro-negative form

Simple form	V-ing form
shouldn't I twill? shouldn't you twill? shouldn't he twill? shouldn't we twill? shouldn't you twill? shouldn't they twill?	shouldn't I be twilling? shouldn't you be twilling? shouldn't he be twilling? shouldn't we be twilling? shouldn't you be twilling? shouldn't they be twilling?
Perfect	V-ing perfect
shouldn't I have twilled? shouldn't you have twilled? shouldn't he have twilled? shouldn't we have twilled? shouldn't you have twilled? shouldn't they have twilled?	shouldn't I have been twilling? shouldn't you have been twilling? shouldn't he have been twilling? shouldn't we have been twilling? shouldn't you have been twilling? shouldn't they have been twilling?