could sucker-punch
Regular verb: sucker-punch - sucker-punched- sucker-punched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could sucker-punch
you could sucker-punch
she could sucker-punch
we could sucker-punch
you could sucker-punch
they could sucker-punch 	I could be sucker-punching
you could be sucker-punching
she could be sucker-punching
we could be sucker-punching
you could be sucker-punching
they could be sucker-punching	I could have sucker-punched
you could have sucker-punched
she could have sucker-punched
we could have sucker-punched
you could have sucker-punched
they could have sucker-punched	I could have been sucker-punching
you could have been sucker-punching
she could have been sucker-punching
we could have been sucker-punching
you could have been sucker-punching
they could have been sucker-punching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't sucker-punch
you couldn't sucker-punch
she couldn't sucker-punch
we couldn't sucker-punch
you couldn't sucker-punch
they couldn't sucker-punch 	I couldn't be sucker-punching
you couldn't be sucker-punching
she couldn't be sucker-punching
we couldn't be sucker-punching
you couldn't be sucker-punching
they couldn't be sucker-punching	I couldn't have sucker-punched
you couldn't have sucker-punched
she couldn't have sucker-punched
we couldn't have sucker-punched
you couldn't have sucker-punched
they couldn't have sucker-punched	I couldn't have been sucker-punching
you couldn't have been sucker-punching
she couldn't have been sucker-punching
we couldn't have been sucker-punching
you couldn't have been sucker-punching
they couldn't have been sucker-punching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I sucker-punch?
could you sucker-punch?
could she sucker-punch?
could we sucker-punch?
could you sucker-punch?
could they sucker-punch? 	could I be sucker-punching?
could you be sucker-punching?
could she be sucker-punching?
could we be sucker-punching?
could you be sucker-punching?
could they be sucker-punching? 	could I have sucker-punched?
could you have sucker-punched?
could she have sucker-punched?
could we have sucker-punched?
could you have sucker-punched?
could they have sucker-punched? 	could I have been sucker-punching?
could you have been sucker-punching?
could she have been sucker-punching?
could we have been sucker-punching?
could you have been sucker-punching?
could they have been sucker-punching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I sucker-punch?
couldn't you sucker-punch?
couldn't she sucker-punch?
couldn't we sucker-punch?
couldn't you sucker-punch?
couldn't they sucker-punch? 	couldn't I be sucker-punching?
couldn't you be sucker-punching?
couldn't she be sucker-punching?
couldn't we be sucker-punching?
couldn't you be sucker-punching?
couldn't they be sucker-punching? 	couldn't I have sucker-punched?
couldn't you have sucker-punched?
couldn't she have sucker-punched?
couldn't we have sucker-punched?
couldn't you have sucker-punched?
couldn't they have sucker-punched? 	couldn't I have been sucker-punching?
couldn't you have been sucker-punching?
couldn't she have been sucker-punching?
couldn't we have been sucker-punching?
couldn't you have been sucker-punching?
couldn't they have been sucker-punching?