could lacerate
Verbo regular: lacerate - lacerated- lacerated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could lacerate
you could lacerate
he could lacerate
we could lacerate
you could lacerate
they could lacerate 	I could be lacerating
you could be lacerating
he could be lacerating
we could be lacerating
you could be lacerating
they could be lacerating	I could have lacerated
you could have lacerated
he could have lacerated
we could have lacerated
you could have lacerated
they could have lacerated	I could have been lacerating
you could have been lacerating
he could have been lacerating
we could have been lacerating
you could have been lacerating
they could have been lacerating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't lacerate
you couldn't lacerate
he couldn't lacerate
we couldn't lacerate
you couldn't lacerate
they couldn't lacerate 	I couldn't be lacerating
you couldn't be lacerating
he couldn't be lacerating
we couldn't be lacerating
you couldn't be lacerating
they couldn't be lacerating	I couldn't have lacerated
you couldn't have lacerated
he couldn't have lacerated
we couldn't have lacerated
you couldn't have lacerated
they couldn't have lacerated	I couldn't have been lacerating
you couldn't have been lacerating
he couldn't have been lacerating
we couldn't have been lacerating
you couldn't have been lacerating
they couldn't have been lacerating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I lacerate?
could you lacerate?
could he lacerate?
could we lacerate?
could you lacerate?
could they lacerate? 	could I be lacerating?
could you be lacerating?
could he be lacerating?
could we be lacerating?
could you be lacerating?
could they be lacerating? 	could I have lacerated?
could you have lacerated?
could he have lacerated?
could we have lacerated?
could you have lacerated?
could they have lacerated? 	could I have been lacerating?
could you have been lacerating?
could he have been lacerating?
could we have been lacerating?
could you have been lacerating?
could they have been lacerating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I lacerate?
couldn't you lacerate?
couldn't he lacerate?
couldn't we lacerate?
couldn't you lacerate?
couldn't they lacerate? 	couldn't I be lacerating?
couldn't you be lacerating?
couldn't he be lacerating?
couldn't we be lacerating?
couldn't you be lacerating?
couldn't they be lacerating? 	couldn't I have lacerated?
couldn't you have lacerated?
couldn't he have lacerated?
couldn't we have lacerated?
couldn't you have lacerated?
couldn't they have lacerated? 	couldn't I have been lacerating?
couldn't you have been lacerating?
couldn't he have been lacerating?
couldn't we have been lacerating?
couldn't you have been lacerating?
couldn't they have been lacerating?