should dab
Regular verb: dab - dabbed- dabbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd dab
you'd dab
she'd dab
we'd dab
you'd dab
they'd dab 	I'd be dabbing
you'd be dabbing
she'd be dabbing
we'd be dabbing
you'd be dabbing
they'd be dabbing	I should've dabbed
you should've dabbed
she should've dabbed
we should've dabbed
you should've dabbed
they should've dabbed	I should've been dabbing
you should've been dabbing
she should've been dabbing
we should've been dabbing
you should've been dabbing
they should've been dabbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't dab
you shouldn't dab
she shouldn't dab
we shouldn't dab
you shouldn't dab
they shouldn't dab 	I shouldn't be dabbing
you shouldn't be dabbing
she shouldn't be dabbing
we shouldn't be dabbing
you shouldn't be dabbing
they shouldn't be dabbing	I shouldn't have dabbed
you shouldn't have dabbed
she shouldn't have dabbed
we shouldn't have dabbed
you shouldn't have dabbed
they shouldn't have dabbed	I shouldn't have been dabbing
you shouldn't have been dabbing
she shouldn't have been dabbing
we shouldn't have been dabbing
you shouldn't have been dabbing
they shouldn't have been dabbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I dab?
should you dab?
should she dab?
should we dab?
should you dab?
should they dab? 	should I be dabbing?
should you be dabbing?
should she be dabbing?
should we be dabbing?
should you be dabbing?
should they be dabbing? 	should I have dabbed?
should you have dabbed?
should she have dabbed?
should we have dabbed?
should you have dabbed?
should they have dabbed? 	should I have been dabbing?
should you have been dabbing?
should she have been dabbing?
should we have been dabbing?
should you have been dabbing?
should they have been dabbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I dab?
shouldn't you dab?
shouldn't she dab?
shouldn't we dab?
shouldn't you dab?
shouldn't they dab? 	shouldn't I be dabbing?
shouldn't you be dabbing?
shouldn't she be dabbing?
shouldn't we be dabbing?
shouldn't you be dabbing?
shouldn't they be dabbing? 	shouldn't I have dabbed?
shouldn't you have dabbed?
shouldn't she have dabbed?
shouldn't we have dabbed?
shouldn't you have dabbed?
shouldn't they have dabbed? 	shouldn't I have been dabbing?
shouldn't you have been dabbing?
shouldn't she have been dabbing?
shouldn't we have been dabbing?
shouldn't you have been dabbing?
shouldn't they have been dabbing?