should twine
Regular verb: twine - twined- twined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd twine
you'd twine
she'd twine
we'd twine
you'd twine
they'd twine 	I'd be twining
you'd be twining
she'd be twining
we'd be twining
you'd be twining
they'd be twining	I should've twined
you should've twined
she 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
she 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 	Perfect 	V-ing perfect 	
I shouldn't twine
you shouldn't twine
she 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
she shouldn't be twining
we shouldn't be twining
you shouldn't be twining
they shouldn't be twining	I shouldn't have twined
you shouldn't have twined
she 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
she 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 	Perfect 	V-ing perfect 	
should I twine?
should you twine?
should she twine?
should we twine?
should you twine?
should they twine? 	should I be twining?
should you be twining?
should she be twining?
should we be twining?
should you be twining?
should they be twining? 	should I have twined?
should you have twined?
should she 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 she 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 	Perfect 	V-ing perfect 	
shouldn't I twine?
shouldn't you twine?
shouldn't she 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 she be twining?
shouldn't we be twining?
shouldn't you be twining?
shouldn't they be twining? 	shouldn't I have twined?
shouldn't you have twined?
shouldn't she 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 she have been twining?
shouldn't we have been twining?
shouldn't you have been twining?
shouldn't they have been twining?