could bushwack
Regular verb: bushwack - bushwacked- bushwacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bushwack
you could bushwack
she could bushwack
we could bushwack
you could bushwack
they could bushwack 	I could be bushwacking
you could be bushwacking
she could be bushwacking
we could be bushwacking
you could be bushwacking
they could be bushwacking	I could have bushwacked
you could have bushwacked
she could have bushwacked
we could have bushwacked
you could have bushwacked
they could have bushwacked	I could have been bushwacking
you could have been bushwacking
she could have been bushwacking
we could have been bushwacking
you could have been bushwacking
they could have been bushwacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bushwack
you couldn't bushwack
she couldn't bushwack
we couldn't bushwack
you couldn't bushwack
they couldn't bushwack 	I couldn't be bushwacking
you couldn't be bushwacking
she couldn't be bushwacking
we couldn't be bushwacking
you couldn't be bushwacking
they couldn't be bushwacking	I couldn't have bushwacked
you couldn't have bushwacked
she couldn't have bushwacked
we couldn't have bushwacked
you couldn't have bushwacked
they couldn't have bushwacked	I couldn't have been bushwacking
you couldn't have been bushwacking
she couldn't have been bushwacking
we couldn't have been bushwacking
you couldn't have been bushwacking
they couldn't have been bushwacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bushwack?
could you bushwack?
could she bushwack?
could we bushwack?
could you bushwack?
could they bushwack? 	could I be bushwacking?
could you be bushwacking?
could she be bushwacking?
could we be bushwacking?
could you be bushwacking?
could they be bushwacking? 	could I have bushwacked?
could you have bushwacked?
could she have bushwacked?
could we have bushwacked?
could you have bushwacked?
could they have bushwacked? 	could I have been bushwacking?
could you have been bushwacking?
could she have been bushwacking?
could we have been bushwacking?
could you have been bushwacking?
could they have been bushwacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bushwack?
couldn't you bushwack?
couldn't she bushwack?
couldn't we bushwack?
couldn't you bushwack?
couldn't they bushwack? 	couldn't I be bushwacking?
couldn't you be bushwacking?
couldn't she be bushwacking?
couldn't we be bushwacking?
couldn't you be bushwacking?
couldn't they be bushwacking? 	couldn't I have bushwacked?
couldn't you have bushwacked?
couldn't she have bushwacked?
couldn't we have bushwacked?
couldn't you have bushwacked?
couldn't they have bushwacked? 	couldn't I have been bushwacking?
couldn't you have been bushwacking?
couldn't she have been bushwacking?
couldn't we have been bushwacking?
couldn't you have been bushwacking?
couldn't they have been bushwacking?