should underwork
Regular verb: underwork - underworked- underworked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should underwork
you should underwork
he should underwork
we should underwork
you should underwork
they should underwork 	I should be underworking
you should be underworking
he should be underworking
we should be underworking
you should be underworking
they should be underworking	I should have underworked
you should have underworked
he should have underworked
we should have underworked
you should have underworked
they should have underworked	I should have been underworking
you should have been underworking
he should have been underworking
we should have been underworking
you should have been underworking
they should have been underworking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not underwork
you should not underwork
he should not underwork
we should not underwork
you should not underwork
they should not underwork 	I should not be underworking
you should not be underworking
he should not be underworking
we should not be underworking
you should not be underworking
they should not be underworking	I should not have underworked
you should not have underworked
he should not have underworked
we should not have underworked
you should not have underworked
they should not have underworked	I should not have been underworking
you should not have been underworking
he should not have been underworking
we should not have been underworking
you should not have been underworking
they should not have been underworking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I underwork?
should you underwork?
should he underwork?
should we underwork?
should you underwork?
should they underwork? 	should I be underworking?
should you be underworking?
should he be underworking?
should we be underworking?
should you be underworking?
should they be underworking? 	should I have underworked?
should you have underworked?
should he have underworked?
should we have underworked?
should you have underworked?
should they have underworked? 	should I have been underworking?
should you have been underworking?
should he have been underworking?
should we have been underworking?
should you have been underworking?
should they have been underworking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not underwork?
should you not underwork?
should he not underwork?
should we not underwork?
should you not underwork?
should they not underwork? 	should I not be underworking?
should you not be underworking?
should he not be underworking?
should we not be underworking?
should you not be underworking?
should they not be underworking? 	should I not have underworked?
should you not have underworked?
should he not have underworked?
should we not have underworked?
should you not have underworked?
should they not have underworked? 	should I not have been underworking?
should you not have been underworking?
should he not have been underworking?
should we not have been underworking?
should you not have been underworking?
should they not have been underworking?