English verb conjugation
SHOULD GNAW

Regular verb: gnaw - gnawed - gnawed

Affirmation

Simple form	V-ing form
I'd gnaw you'd gnaw he'd gnaw we'd gnaw you'd gnaw they'd gnaw	I'd be gnawing you'd be gnawing he'd be gnawing we'd be gnawing you'd be gnawing they'd be gnawing
Perfect	V-ing perfect
I should've gnawed you should've gnawed he should've gnawed we should've gnawed you should've gnawed they should've gnawed	I should've been gnawing you should've been gnawing he should've been gnawing we should've been gnawing you should've been gnawing they should've been gnawing

Negation

Simple form	V-ing form
I shouldn't gnaw you shouldn't gnaw he shouldn't gnaw we shouldn't gnaw you shouldn't gnaw they shouldn't gnaw	I shouldn't be gnawing you shouldn't be gnawing he shouldn't be gnawing we shouldn't be gnawing you shouldn't be gnawing they shouldn't be gnawing
Perfect	V-ing perfect
I shouldn't have gnawed you shouldn't have gnawed he shouldn't have gnawed we shouldn't have gnawed you shouldn't have gnawed they shouldn't have gnawed	I shouldn't have been gnawing you shouldn't have been gnawing he shouldn't have been gnawing we shouldn't have been gnawing you shouldn't have been gnawing they shouldn't have been gnawing

Interrogative form

Simple form	V-ing form
should I gnaw? should you gnaw? should he gnaw? should we gnaw? should you gnaw? should they gnaw?	should I be gnawing? should you be gnawing? should he be gnawing? should we be gnawing? should you be gnawing? should they be gnawing?
Perfect	V-ing perfect
should I have gnawed? should you have gnawed? should he have gnawed? should we have gnawed? should you have gnawed? should they have gnawed?	should I have been gnawing? should you have been gnawing? should he have been gnawing? should we have been gnawing? should you have been gnawing? should they have been gnawing?

Interro-negative form

Simple form	V-ing form
shouldn't I gnaw? shouldn't you gnaw? shouldn't he gnaw? shouldn't we gnaw? shouldn't you gnaw? shouldn't they gnaw?	shouldn't I be gnawing? shouldn't you be gnawing? shouldn't he be gnawing? shouldn't we be gnawing? shouldn't you be gnawing? shouldn't they be gnawing?
Perfect	V-ing perfect
shouldn't I have gnawed? shouldn't you have gnawed? shouldn't he have gnawed? shouldn't we have gnawed? shouldn't you have gnawed? shouldn't they have gnawed?	shouldn't I have been gnawing? shouldn't you have been gnawing? shouldn't he have been gnawing? shouldn't we have been gnawing? shouldn't you have been gnawing? shouldn't they have been gnawing?