could pigeonhole
Regular verb: pigeonhole - pigeonholed- pigeonholed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could pigeonhole
you could pigeonhole
he could pigeonhole
we could pigeonhole
you could pigeonhole
they could pigeonhole 	I could be pigeonholing
you could be pigeonholing
he could be pigeonholing
we could be pigeonholing
you could be pigeonholing
they could be pigeonholing	I could have pigeonholed
you could have pigeonholed
he could have pigeonholed
we could have pigeonholed
you could have pigeonholed
they could have pigeonholed	I could have been pigeonholing
you could have been pigeonholing
he could have been pigeonholing
we could have been pigeonholing
you could have been pigeonholing
they could have been pigeonholing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't pigeonhole
you couldn't pigeonhole
he couldn't pigeonhole
we couldn't pigeonhole
you couldn't pigeonhole
they couldn't pigeonhole 	I couldn't be pigeonholing
you couldn't be pigeonholing
he couldn't be pigeonholing
we couldn't be pigeonholing
you couldn't be pigeonholing
they couldn't be pigeonholing	I couldn't have pigeonholed
you couldn't have pigeonholed
he couldn't have pigeonholed
we couldn't have pigeonholed
you couldn't have pigeonholed
they couldn't have pigeonholed	I couldn't have been pigeonholing
you couldn't have been pigeonholing
he couldn't have been pigeonholing
we couldn't have been pigeonholing
you couldn't have been pigeonholing
they couldn't have been pigeonholing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I pigeonhole?
could you pigeonhole?
could he pigeonhole?
could we pigeonhole?
could you pigeonhole?
could they pigeonhole? 	could I be pigeonholing?
could you be pigeonholing?
could he be pigeonholing?
could we be pigeonholing?
could you be pigeonholing?
could they be pigeonholing? 	could I have pigeonholed?
could you have pigeonholed?
could he have pigeonholed?
could we have pigeonholed?
could you have pigeonholed?
could they have pigeonholed? 	could I have been pigeonholing?
could you have been pigeonholing?
could he have been pigeonholing?
could we have been pigeonholing?
could you have been pigeonholing?
could they have been pigeonholing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I pigeonhole?
couldn't you pigeonhole?
couldn't he pigeonhole?
couldn't we pigeonhole?
couldn't you pigeonhole?
couldn't they pigeonhole? 	couldn't I be pigeonholing?
couldn't you be pigeonholing?
couldn't he be pigeonholing?
couldn't we be pigeonholing?
couldn't you be pigeonholing?
couldn't they be pigeonholing? 	couldn't I have pigeonholed?
couldn't you have pigeonholed?
couldn't he have pigeonholed?
couldn't we have pigeonholed?
couldn't you have pigeonholed?
couldn't they have pigeonholed? 	couldn't I have been pigeonholing?
couldn't you have been pigeonholing?
couldn't he have been pigeonholing?
couldn't we have been pigeonholing?
couldn't you have been pigeonholing?
couldn't they have been pigeonholing?