should sag
Verbo regular: sag - sagged- sagged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should sag
you should sag
she should sag
we should sag
you should sag
they should sag 	I should be sagging
you should be sagging
she should be sagging
we should be sagging
you should be sagging
they should be sagging	I should have sagged
you should have sagged
she should have sagged
we should have sagged
you should have sagged
they should have sagged	I should have been sagging
you should have been sagging
she should have been sagging
we should have been sagging
you should have been sagging
they should have been sagging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not sag
you should not sag
she should not sag
we should not sag
you should not sag
they should not sag 	I should not be sagging
you should not be sagging
she should not be sagging
we should not be sagging
you should not be sagging
they should not be sagging	I should not have sagged
you should not have sagged
she should not have sagged
we should not have sagged
you should not have sagged
they should not have sagged	I should not have been sagging
you should not have been sagging
she should not have been sagging
we should not have been sagging
you should not have been sagging
they should not have been sagging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I sag?
should you sag?
should she sag?
should we sag?
should you sag?
should they sag? 	should I be sagging?
should you be sagging?
should she be sagging?
should we be sagging?
should you be sagging?
should they be sagging? 	should I have sagged?
should you have sagged?
should she have sagged?
should we have sagged?
should you have sagged?
should they have sagged? 	should I have been sagging?
should you have been sagging?
should she have been sagging?
should we have been sagging?
should you have been sagging?
should they have been sagging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not sag?
should you not sag?
should she not sag?
should we not sag?
should you not sag?
should they not sag? 	should I not be sagging?
should you not be sagging?
should she not be sagging?
should we not be sagging?
should you not be sagging?
should they not be sagging? 	should I not have sagged?
should you not have sagged?
should she not have sagged?
should we not have sagged?
should you not have sagged?
should they not have sagged? 	should I not have been sagging?
should you not have been sagging?
should she not have been sagging?
should we not have been sagging?
should you not have been sagging?
should they not have been sagging?