should darn
Regular verb: darn - darned- darned

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not darn
you should not darn
she should not darn
we should not darn
you should not darn
they should not darn 	I should not be darning
you should not be darning
she should not be darning
we should not be darning
you should not be darning
they should not be darning	I should not have darned
you should not have darned
she should not have darned
we should not have darned
you should not have darned
they should not have darned	I should not have been darning
you should not have been darning
she should not have been darning
we should not have been darning
you should not have been darning
they should not 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 	
should I not darn?
should you not darn?
should she not darn?
should we not darn?
should you not darn?
should they not darn? 	should I not be darning?
should you not be darning?
should she not be darning?
should we not be darning?
should you not be darning?
should they not be darning? 	should I not have darned?
should you not have darned?
should she not have darned?
should we not have darned?
should you not have darned?
should they not have darned? 	should I not have been darning?
should you not have been darning?
should she not have been darning?
should we not have been darning?
should you not have been darning?
should they not have been darning?