English verb conjugation
SHOULD TWINE

Regular verb: twine - twined - twined

Affirmation

Simple form	V-ing form
I'd twine you'd twine he'd twine we'd twine you'd twine they'd twine	I'd be twining you'd be twining he'd be twining we'd be twining you'd be twining they'd be twining
Perfect	V-ing perfect
I should've twined you should've twined he should've twined we should've twined you should've twined they should've twined	I should've been twining you should've been twining he should've been twining we should've been twining you should've been twining they should've been twining

Negation

Simple form	V-ing form
I shouldn't twine you shouldn't twine he shouldn't twine we shouldn't twine you shouldn't twine they shouldn't twine	I shouldn't be twining you shouldn't be twining he shouldn't be twining we shouldn't be twining you shouldn't be twining they shouldn't be twining
Perfect	V-ing perfect
I shouldn't have twined you shouldn't have twined he shouldn't have twined we shouldn't have twined you shouldn't have twined they shouldn't have twined	I shouldn't have been twining you shouldn't have been twining he shouldn't have been twining we shouldn't have been twining you shouldn't have been twining they shouldn't have been twining

Interrogative form

Simple form	V-ing form
should I twine? should you twine? should he twine? should we twine? should you twine? should they twine?	should I be twining? should you be twining? should he be twining? should we be twining? should you be twining? should they be twining?
Perfect	V-ing perfect
should I have twined? should you have twined? should he have twined? should we have twined? should you have twined? should they have twined?	should I have been twining? should you have been twining? should he have been twining? should we have been twining? should you have been twining? should they have been twining?

Interro-negative form

Simple form	V-ing form
shouldn't I twine? shouldn't you twine? shouldn't he twine? shouldn't we twine? shouldn't you twine? shouldn't they twine?	shouldn't I be twining? shouldn't you be twining? shouldn't he be twining? shouldn't we be twining? shouldn't you be twining? shouldn't they be twining?
Perfect	V-ing perfect
shouldn't I have twined? shouldn't you have twined? shouldn't he have twined? shouldn't we have twined? shouldn't you have twined? shouldn't they have twined?	shouldn't I have been twining? shouldn't you have been twining? shouldn't he have been twining? shouldn't we have been twining? shouldn't you have been twining? shouldn't they have been twining?