English verb conjugation
MUST PIGEONHOLE

Regular verb: pigeonhole - pigeonholed - pigeonholed

Affirmation

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

Negation

Simple form	V-ing form
I must not pigeonhole you must not pigeonhole he must not pigeonhole we must not pigeonhole you must not pigeonhole they must not pigeonhole	I must not be pigeonholing you must not be pigeonholing he must not be pigeonholing we must not be pigeonholing you must not be pigeonholing they must not be pigeonholing
Perfect	V-ing perfect
I must not have pigeonholed you must not have pigeonholed he must not have pigeonholed we must not have pigeonholed you must not have pigeonholed they must not have pigeonholed	I must not have been pigeonholing you must not have been pigeonholing he must not have been pigeonholing we must not have been pigeonholing you must not have been pigeonholing they must not have been pigeonholing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
must I not pigeonhole? must you not pigeonhole? must he not pigeonhole? must we not pigeonhole? must you not pigeonhole? must they not pigeonhole?	must I not be pigeonholing? must you not be pigeonholing? must he not be pigeonholing? must we not be pigeonholing? must you not be pigeonholing? must they not be pigeonholing?
Perfect	V-ing perfect
must I not have pigeonholed? must you not have pigeonholed? must he not have pigeonholed? must we not have pigeonholed? must you not have pigeonholed? must they not have pigeonholed?	must I not have been pigeonholing? must you not have been pigeonholing? must he not have been pigeonholing? must we not have been pigeonholing? must you not have been pigeonholing? must they not have been pigeonholing?