English verb conjugation
SHOULD PROTECT

Regular verb: protect - protected - protected

Affirmation

Simple form	V-ing form
I'd protect you'd protect he'd protect we'd protect you'd protect they'd protect	I'd be protecting you'd be protecting he'd be protecting we'd be protecting you'd be protecting they'd be protecting
Perfect	V-ing perfect
I should've protected you should've protected he should've protected we should've protected you should've protected they should've protected	I should've been protecting you should've been protecting he should've been protecting we should've been protecting you should've been protecting they should've been protecting

Negation

Simple form	V-ing form
I shouldn't protect you shouldn't protect he shouldn't protect we shouldn't protect you shouldn't protect they shouldn't protect	I shouldn't be protecting you shouldn't be protecting he shouldn't be protecting we shouldn't be protecting you shouldn't be protecting they shouldn't be protecting
Perfect	V-ing perfect
I shouldn't have protected you shouldn't have protected he shouldn't have protected we shouldn't have protected you shouldn't have protected they shouldn't have protected	I shouldn't have been protecting you shouldn't have been protecting he shouldn't have been protecting we shouldn't have been protecting you shouldn't have been protecting they shouldn't have been protecting

Interrogative form

Simple form	V-ing form
should I protect? should you protect? should he protect? should we protect? should you protect? should they protect?	should I be protecting? should you be protecting? should he be protecting? should we be protecting? should you be protecting? should they be protecting?
Perfect	V-ing perfect
should I have protected? should you have protected? should he have protected? should we have protected? should you have protected? should they have protected?	should I have been protecting? should you have been protecting? should he have been protecting? should we have been protecting? should you have been protecting? should they have been protecting?

Interro-negative form

Simple form	V-ing form
shouldn't I protect? shouldn't you protect? shouldn't he protect? shouldn't we protect? shouldn't you protect? shouldn't they protect?	shouldn't I be protecting? shouldn't you be protecting? shouldn't he be protecting? shouldn't we be protecting? shouldn't you be protecting? shouldn't they be protecting?
Perfect	V-ing perfect
shouldn't I have protected? shouldn't you have protected? shouldn't he have protected? shouldn't we have protected? shouldn't you have protected? shouldn't they have protected?	shouldn't I have been protecting? shouldn't you have been protecting? shouldn't he have been protecting? shouldn't we have been protecting? shouldn't you have been protecting? shouldn't they have been protecting?