could whipsaw
Regular verb: whipsaw - whipsawed- whipsawed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could whipsaw
you could whipsaw
he could whipsaw
we could whipsaw
you could whipsaw
they could whipsaw 	I could be whipsawing
you could be whipsawing
he could be whipsawing
we could be whipsawing
you could be whipsawing
they could be whipsawing	I could have whipsawed
you could have whipsawed
he could have whipsawed
we could have whipsawed
you could have whipsawed
they could have whipsawed	I could have been whipsawing
you could have been whipsawing
he could have been whipsawing
we could have been whipsawing
you could have been whipsawing
they could have been whipsawing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't whipsaw
you couldn't whipsaw
he couldn't whipsaw
we couldn't whipsaw
you couldn't whipsaw
they couldn't whipsaw 	I couldn't be whipsawing
you couldn't be whipsawing
he couldn't be whipsawing
we couldn't be whipsawing
you couldn't be whipsawing
they couldn't be whipsawing	I couldn't have whipsawed
you couldn't have whipsawed
he couldn't have whipsawed
we couldn't have whipsawed
you couldn't have whipsawed
they couldn't have whipsawed	I couldn't have been whipsawing
you couldn't have been whipsawing
he couldn't have been whipsawing
we couldn't have been whipsawing
you couldn't have been whipsawing
they couldn't have been whipsawing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I whipsaw?
could you whipsaw?
could he whipsaw?
could we whipsaw?
could you whipsaw?
could they whipsaw? 	could I be whipsawing?
could you be whipsawing?
could he be whipsawing?
could we be whipsawing?
could you be whipsawing?
could they be whipsawing? 	could I have whipsawed?
could you have whipsawed?
could he have whipsawed?
could we have whipsawed?
could you have whipsawed?
could they have whipsawed? 	could I have been whipsawing?
could you have been whipsawing?
could he have been whipsawing?
could we have been whipsawing?
could you have been whipsawing?
could they have been whipsawing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I whipsaw?
couldn't you whipsaw?
couldn't he whipsaw?
couldn't we whipsaw?
couldn't you whipsaw?
couldn't they whipsaw? 	couldn't I be whipsawing?
couldn't you be whipsawing?
couldn't he be whipsawing?
couldn't we be whipsawing?
couldn't you be whipsawing?
couldn't they be whipsawing? 	couldn't I have whipsawed?
couldn't you have whipsawed?
couldn't he have whipsawed?
couldn't we have whipsawed?
couldn't you have whipsawed?
couldn't they have whipsawed? 	couldn't I have been whipsawing?
couldn't you have been whipsawing?
couldn't he have been whipsawing?
couldn't we have been whipsawing?
couldn't you have been whipsawing?
couldn't they have been whipsawing?