should darn
Regular verb: darn - darned- darned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd darn
you'd darn
she'd darn
we'd darn
you'd darn
they'd darn 	I'd be darning
you'd be darning
she'd be darning
we'd be darning
you'd be darning
they'd be darning	I should've darned
you should've darned
she should've darned
we should've darned
you should've darned
they should've darned	I should've been darning
you should've been darning
she should've been darning
we should've been darning
you should've been darning
they should've been darning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't darn
you shouldn't darn
she shouldn't darn
we shouldn't darn
you shouldn't darn
they shouldn't darn 	I shouldn't be darning
you shouldn't be darning
she shouldn't be darning
we shouldn't be darning
you shouldn't be darning
they shouldn't be darning	I shouldn't have darned
you shouldn't have darned
she shouldn't have darned
we shouldn't have darned
you shouldn't have darned
they shouldn't have darned	I shouldn't have been darning
you shouldn't have been darning
she shouldn't have been darning
we shouldn't have been darning
you shouldn't have been darning
they shouldn't have been darning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I darn?
should you darn?
should she darn?
should we darn?
should you darn?
should they darn? 	should I be darning?
should you be darning?
should she be darning?
should we be darning?
should you be darning?
should they be darning? 	should I have darned?
should you have darned?
should she have darned?
should we have darned?
should you have darned?
should they have darned? 	should I have been darning?
should you have been darning?
should she have been darning?
should we have been darning?
should you have been darning?
should they have been darning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I darn?
shouldn't you darn?
shouldn't she darn?
shouldn't we darn?
shouldn't you darn?
shouldn't they darn? 	shouldn't I be darning?
shouldn't you be darning?
shouldn't she be darning?
shouldn't we be darning?
shouldn't you be darning?
shouldn't they be darning? 	shouldn't I have darned?
shouldn't you have darned?
shouldn't she have darned?
shouldn't we have darned?
shouldn't you have darned?
shouldn't they have darned? 	shouldn't I have been darning?
shouldn't you have been darning?
shouldn't she have been darning?
shouldn't we have been darning?
shouldn't you have been darning?
shouldn't they have been darning?