should gnaw
Verbo regular: gnaw - gnawed- gnawed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should gnaw
you should gnaw
she should gnaw
we should gnaw
you should gnaw
they should gnaw 	I should be gnawing
you should be gnawing
she should be gnawing
we should be gnawing
you should be gnawing
they should be gnawing	I should have gnawed
you should have gnawed
she should have gnawed
we should have gnawed
you should have gnawed
they should have gnawed	I should have been gnawing
you should have been gnawing
she should have been gnawing
we should have been gnawing
you should have been gnawing
they should have been gnawing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not gnaw
you should not gnaw
she should not gnaw
we should not gnaw
you should not gnaw
they should not gnaw 	I should not be gnawing
you should not be gnawing
she should not be gnawing
we should not be gnawing
you should not be gnawing
they should not be gnawing	I should not have gnawed
you should not have gnawed
she should not have gnawed
we should not have gnawed
you should not have gnawed
they should not have gnawed	I should not have been gnawing
you should not have been gnawing
she should not have been gnawing
we should not have been gnawing
you should not have been gnawing
they should not have been gnawing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I gnaw?
should you gnaw?
should she gnaw?
should we gnaw?
should you gnaw?
should they gnaw? 	should I be gnawing?
should you be gnawing?
should she be gnawing?
should we be gnawing?
should you be gnawing?
should they be gnawing? 	should I have gnawed?
should you have gnawed?
should she 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 she have been gnawing?
should we have been gnawing?
should you have been gnawing?
should they have been gnawing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not gnaw?
should you not gnaw?
should she not gnaw?
should we not gnaw?
should you not gnaw?
should they not gnaw? 	should I not be gnawing?
should you not be gnawing?
should she not be gnawing?
should we not be gnawing?
should you not be gnawing?
should they not be gnawing? 	should I not have gnawed?
should you not have gnawed?
should she not have gnawed?
should we not have gnawed?
should you not have gnawed?
should they not have gnawed? 	should I not have been gnawing?
should you not have been gnawing?
should she not have been gnawing?
should we not have been gnawing?
should you not have been gnawing?
should they not have been gnawing?