should busk
Regular verb: busk - busked- busked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd busk
you'd busk
she'd busk
we'd busk
you'd busk
they'd busk 	I'd be busking
you'd be busking
she'd be busking
we'd be busking
you'd be busking
they'd be busking	I should've busked
you should've busked
she should've busked
we should've busked
you should've busked
they should've busked	I should've been busking
you should've been busking
she should've been busking
we should've been busking
you should've been busking
they should've been busking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't busk
you shouldn't busk
she shouldn't busk
we shouldn't busk
you shouldn't busk
they shouldn't busk 	I shouldn't be busking
you shouldn't be busking
she shouldn't be busking
we shouldn't be busking
you shouldn't be busking
they shouldn't be busking	I shouldn't have busked
you shouldn't have busked
she shouldn't have busked
we shouldn't have busked
you shouldn't have busked
they shouldn't have busked	I shouldn't have been busking
you shouldn't have been busking
she shouldn't have been busking
we shouldn't have been busking
you shouldn't have been busking
they shouldn't have been busking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I busk?
should you busk?
should she busk?
should we busk?
should you busk?
should they busk? 	should I be busking?
should you be busking?
should she be busking?
should we be busking?
should you be busking?
should they be busking? 	should I have busked?
should you have busked?
should she have busked?
should we have busked?
should you have busked?
should they have busked? 	should I have been busking?
should you have been busking?
should she have been busking?
should we have been busking?
should you have been busking?
should they have been busking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I busk?
shouldn't you busk?
shouldn't she busk?
shouldn't we busk?
shouldn't you busk?
shouldn't they busk? 	shouldn't I be busking?
shouldn't you be busking?
shouldn't she be busking?
shouldn't we be busking?
shouldn't you be busking?
shouldn't they be busking? 	shouldn't I have busked?
shouldn't you have busked?
shouldn't she have busked?
shouldn't we have busked?
shouldn't you have busked?
shouldn't they have busked? 	shouldn't I have been busking?
shouldn't you have been busking?
shouldn't she have been busking?
shouldn't we have been busking?
shouldn't you have been busking?
shouldn't they have been busking?