could sass
Verbo regular: sass - sassed- sassed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could sass
you could sass
he could sass
we could sass
you could sass
they could sass 	I could be sassing
you could be sassing
he could be sassing
we could be sassing
you could be sassing
they could be sassing	I could have sassed
you could have sassed
he could have sassed
we could have sassed
you could have sassed
they could have sassed	I could have been sassing
you could have been sassing
he could have been sassing
we could have been sassing
you could have been sassing
they could have been sassing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't sass
you couldn't sass
he couldn't sass
we couldn't sass
you couldn't sass
they couldn't sass 	I couldn't be sassing
you couldn't be sassing
he couldn't be sassing
we couldn't be sassing
you couldn't be sassing
they couldn't be sassing	I couldn't have sassed
you couldn't have sassed
he couldn't have sassed
we couldn't have sassed
you couldn't have sassed
they couldn't have sassed	I couldn't have been sassing
you couldn't have been sassing
he couldn't have been sassing
we couldn't have been sassing
you couldn't have been sassing
they couldn't have been sassing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I sass?
could you sass?
could he sass?
could we sass?
could you sass?
could they sass? 	could I be sassing?
could you be sassing?
could he be sassing?
could we be sassing?
could you be sassing?
could they be sassing? 	could I have sassed?
could you have sassed?
could he have sassed?
could we have sassed?
could you have sassed?
could they have sassed? 	could I have been sassing?
could you have been sassing?
could he have been sassing?
could we have been sassing?
could you have been sassing?
could they have been sassing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I sass?
couldn't you sass?
couldn't he sass?
couldn't we sass?
couldn't you sass?
couldn't they sass? 	couldn't I be sassing?
couldn't you be sassing?
couldn't he be sassing?
couldn't we be sassing?
couldn't you be sassing?
couldn't they be sassing? 	couldn't I have sassed?
couldn't you have sassed?
couldn't he have sassed?
couldn't we have sassed?
couldn't you have sassed?
couldn't they have sassed? 	couldn't I have been sassing?
couldn't you have been sassing?
couldn't he have been sassing?
couldn't we have been sassing?
couldn't you have been sassing?
couldn't they have been sassing?