could torture
Regular verb: torture - tortured- tortured

Affirmation 	
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I could torture
you could torture
he could torture
we could torture
you could torture
they could torture 	I could be torturing
you could be torturing
he could be torturing
we could be torturing
you could be torturing
they could be torturing	I could have tortured
you could have tortured
he could have tortured
we could have tortured
you could have tortured
they could have tortured	I could have been torturing
you could have been torturing
he could have been torturing
we could have been torturing
you could have been torturing
they could have been torturing	

Negation 	
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I couldn't torture
you couldn't torture
he couldn't torture
we couldn't torture
you couldn't torture
they couldn't torture 	I couldn't be torturing
you couldn't be torturing
he couldn't be torturing
we couldn't be torturing
you couldn't be torturing
they couldn't be torturing	I couldn't have tortured
you couldn't have tortured
he couldn't have tortured
we couldn't have tortured
you couldn't have tortured
they couldn't have tortured	I couldn't have been torturing
you couldn't have been torturing
he couldn't have been torturing
we couldn't have been torturing
you couldn't have been torturing
they couldn't have been torturing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I torture?
could you torture?
could he torture?
could we torture?
could you torture?
could they torture? 	could I be torturing?
could you be torturing?
could he be torturing?
could we be torturing?
could you be torturing?
could they be torturing? 	could I have tortured?
could you have tortured?
could he have tortured?
could we have tortured?
could you have tortured?
could they have tortured? 	could I have been torturing?
could you have been torturing?
could he have been torturing?
could we have been torturing?
could you have been torturing?
could they have been torturing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I torture?
couldn't you torture?
couldn't he torture?
couldn't we torture?
couldn't you torture?
couldn't they torture? 	couldn't I be torturing?
couldn't you be torturing?
couldn't he be torturing?
couldn't we be torturing?
couldn't you be torturing?
couldn't they be torturing? 	couldn't I have tortured?
couldn't you have tortured?
couldn't he have tortured?
couldn't we have tortured?
couldn't you have tortured?
couldn't they have tortured? 	couldn't I have been torturing?
couldn't you have been torturing?
couldn't he have been torturing?
couldn't we have been torturing?
couldn't you have been torturing?
couldn't they have been torturing?