could ravage
Regular verb: ravage - ravaged- ravaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could ravage
you could ravage
he could ravage
we could ravage
you could ravage
they could ravage 	I could be ravaging
you could be ravaging
he could be ravaging
we could be ravaging
you could be ravaging
they could be ravaging	I could have ravaged
you could have ravaged
he could have ravaged
we could have ravaged
you could have ravaged
they could have ravaged	I could have been ravaging
you could have been ravaging
he could have been ravaging
we could have been ravaging
you could have been ravaging
they could have been ravaging	

Negation 	
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I couldn't ravage
you couldn't ravage
he couldn't ravage
we couldn't ravage
you couldn't ravage
they couldn't ravage 	I couldn't be ravaging
you couldn't be ravaging
he couldn't be ravaging
we couldn't be ravaging
you couldn't be ravaging
they couldn't be ravaging	I couldn't have ravaged
you couldn't have ravaged
he couldn't have ravaged
we couldn't have ravaged
you couldn't have ravaged
they couldn't have ravaged	I couldn't have been ravaging
you couldn't have been ravaging
he couldn't have been ravaging
we couldn't have been ravaging
you couldn't have been ravaging
they couldn't have been ravaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I ravage?
could you ravage?
could he ravage?
could we ravage?
could you ravage?
could they ravage? 	could I be ravaging?
could you be ravaging?
could he be ravaging?
could we be ravaging?
could you be ravaging?
could they be ravaging? 	could I have ravaged?
could you have ravaged?
could he have ravaged?
could we have ravaged?
could you have ravaged?
could they have ravaged? 	could I have been ravaging?
could you have been ravaging?
could he have been ravaging?
could we have been ravaging?
could you have been ravaging?
could they have been ravaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I ravage?
couldn't you ravage?
couldn't he ravage?
couldn't we ravage?
couldn't you ravage?
couldn't they ravage? 	couldn't I be ravaging?
couldn't you be ravaging?
couldn't he be ravaging?
couldn't we be ravaging?
couldn't you be ravaging?
couldn't they be ravaging? 	couldn't I have ravaged?
couldn't you have ravaged?
couldn't he have ravaged?
couldn't we have ravaged?
couldn't you have ravaged?
couldn't they have ravaged? 	couldn't I have been ravaging?
couldn't you have been ravaging?
couldn't he have been ravaging?
couldn't we have been ravaging?
couldn't you have been ravaging?
couldn't they have been ravaging?