English verb conjugation
SHOULD ENTERTAIN

Regular verb: entertain - entertained - entertained

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?