should entertain
Regular verb: entertain - entertained- entertained

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd entertain
you'd entertain
he'd entertain
we'd entertain
you'd entertain
they'd entertain 	I'd be entertaining
you'd be entertaining
he'd be entertaining
we'd be entertaining
you'd be entertaining
they'd be entertaining	I should've entertained
you should've entertained
he should've entertained
we should've entertained
you should've entertained
they should've entertained	I should've been entertaining
you should've been entertaining
he should've been entertaining
we should've been entertaining
you should've been entertaining
they should've been entertaining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't entertain
you shouldn't entertain
he shouldn't entertain
we shouldn't entertain
you shouldn't entertain
they shouldn't entertain 	I shouldn't be entertaining
you shouldn't be entertaining
he shouldn't be entertaining
we shouldn't be entertaining
you shouldn't be entertaining
they shouldn't be entertaining	I shouldn't have entertained
you shouldn't have entertained
he shouldn't have entertained
we shouldn't have entertained
you shouldn't have entertained
they shouldn't have entertained	I shouldn't have been entertaining
you shouldn't have been entertaining
he shouldn't have been entertaining
we shouldn't have been entertaining
you shouldn't have been entertaining
they shouldn't have been entertaining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I entertain?
should you entertain?
should he entertain?
should we entertain?
should you entertain?
should they entertain? 	should I be entertaining?
should you be entertaining?
should he be entertaining?
should we be entertaining?
should you be entertaining?
should they be entertaining? 	should I have entertained?
should you have entertained?
should he have entertained?
should we have entertained?
should you have entertained?
should they have entertained? 	should I have been entertaining?
should you have been entertaining?
should he have been entertaining?
should we have been entertaining?
should you have been entertaining?
should they have been entertaining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I entertain?
shouldn't you entertain?
shouldn't he entertain?
shouldn't we entertain?
shouldn't you entertain?
shouldn't they entertain? 	shouldn't I be entertaining?
shouldn't you be entertaining?
shouldn't he be entertaining?
shouldn't we be entertaining?
shouldn't you be entertaining?
shouldn't they be entertaining? 	shouldn't I have entertained?
shouldn't you have entertained?
shouldn't he have entertained?
shouldn't we have entertained?
shouldn't you have entertained?
shouldn't they have entertained? 	shouldn't I have been entertaining?
shouldn't you have been entertaining?
shouldn't he have been entertaining?
shouldn't we have been entertaining?
shouldn't you have been entertaining?
shouldn't they have been entertaining?