could scathe
Verbo regular: scathe - scathed- scathed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could scathe
you could scathe
he could scathe
we could scathe
you could scathe
they could scathe 	I could be scathing
you could be scathing
he could be scathing
we could be scathing
you could be scathing
they could be scathing	I could have scathed
you could have scathed
he could have scathed
we could have scathed
you could have scathed
they could have scathed	I could have been scathing
you could have been scathing
he could have been scathing
we could have been scathing
you could have been scathing
they could have been scathing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't scathe
you couldn't scathe
he couldn't scathe
we couldn't scathe
you couldn't scathe
they couldn't scathe 	I couldn't be scathing
you couldn't be scathing
he couldn't be scathing
we couldn't be scathing
you couldn't be scathing
they couldn't be scathing	I couldn't have scathed
you couldn't have scathed
he couldn't have scathed
we couldn't have scathed
you couldn't have scathed
they couldn't have scathed	I couldn't have been scathing
you couldn't have been scathing
he couldn't have been scathing
we couldn't have been scathing
you couldn't have been scathing
they couldn't have been scathing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I scathe?
could you scathe?
could he scathe?
could we scathe?
could you scathe?
could they scathe? 	could I be scathing?
could you be scathing?
could he be scathing?
could we be scathing?
could you be scathing?
could they be scathing? 	could I have scathed?
could you have scathed?
could he have scathed?
could we have scathed?
could you have scathed?
could they have scathed? 	could I have been scathing?
could you have been scathing?
could he have been scathing?
could we have been scathing?
could you have been scathing?
could they have been scathing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I scathe?
couldn't you scathe?
couldn't he scathe?
couldn't we scathe?
couldn't you scathe?
couldn't they scathe? 	couldn't I be scathing?
couldn't you be scathing?
couldn't he be scathing?
couldn't we be scathing?
couldn't you be scathing?
couldn't they be scathing? 	couldn't I have scathed?
couldn't you have scathed?
couldn't he have scathed?
couldn't we have scathed?
couldn't you have scathed?
couldn't they have scathed? 	couldn't I have been scathing?
couldn't you have been scathing?
couldn't he have been scathing?
couldn't we have been scathing?
couldn't you have been scathing?
couldn't they have been scathing?