should busk
Regular verb: busk - busked- busked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should busk
you should busk
he should busk
we should busk
you should busk
they should busk 	I should be busking
you should be busking
he should be busking
we should be busking
you should be busking
they should be busking	I should have busked
you should have busked
he should have busked
we should have busked
you should have busked
they should have busked	I should have been busking
you should have been busking
he should have been busking
we should have been busking
you should have been busking
they should have been busking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not busk
you should not busk
he should not busk
we should not busk
you should not busk
they should not busk 	I should not be busking
you should not be busking
he should not be busking
we should not be busking
you should not be busking
they should not be busking	I should not have busked
you should not have busked
he should not have busked
we should not have busked
you should not have busked
they should not have busked	I should not have been busking
you should not have been busking
he should not have been busking
we should not have been busking
you should not have been busking
they should not have been busking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I busk?
should you busk?
should he busk?
should we busk?
should you busk?
should they busk? 	should I be busking?
should you be busking?
should he be busking?
should we be busking?
should you be busking?
should they be busking? 	should I have busked?
should you have busked?
should he 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 he 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 	
should I not busk?
should you not busk?
should he not busk?
should we not busk?
should you not busk?
should they not busk? 	should I not be busking?
should you not be busking?
should he not be busking?
should we not be busking?
should you not be busking?
should they not be busking? 	should I not have busked?
should you not have busked?
should he not have busked?
should we not have busked?
should you not have busked?
should they not have busked? 	should I not have been busking?
should you not have been busking?
should he not have been busking?
should we not have been busking?
should you not have been busking?
should they not have been busking?