English verb conjugation
COULD PIGEONHOLE

Regular verb: pigeonhole - pigeonholed - pigeonholed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?