should serve
Regular verb: serve - served- served

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should serve
you should serve
he should serve
we should serve
you should serve
they should serve 	I should be serving
you should be serving
he should be serving
we should be serving
you should be serving
they should be serving	I should have served
you should have served
he should have served
we should have served
you should have served
they should have served	I should have been serving
you should have been serving
he should have been serving
we should have been serving
you should have been serving
they should have been serving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not serve
you should not serve
he should not serve
we should not serve
you should not serve
they should not serve 	I should not be serving
you should not be serving
he should not be serving
we should not be serving
you should not be serving
they should not be serving	I should not have served
you should not have served
he should not have served
we should not have served
you should not have served
they should not have served	I should not have been serving
you should not have been serving
he should not have been serving
we should not have been serving
you should not have been serving
they should not have been serving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I serve?
should you serve?
should he serve?
should we serve?
should you serve?
should they serve? 	should I be serving?
should you be serving?
should he be serving?
should we be serving?
should you be serving?
should they be serving? 	should I have served?
should you have served?
should he have served?
should we have served?
should you have served?
should they have served? 	should I have been serving?
should you have been serving?
should he have been serving?
should we have been serving?
should you have been serving?
should they have been serving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not serve?
should you not serve?
should he not serve?
should we not serve?
should you not serve?
should they not serve? 	should I not be serving?
should you not be serving?
should he not be serving?
should we not be serving?
should you not be serving?
should they not be serving? 	should I not have served?
should you not have served?
should he not have served?
should we not have served?
should you not have served?
should they not have served? 	should I not have been serving?
should you not have been serving?
should he not have been serving?
should we not have been serving?
should you not have been serving?
should they not have been serving?