English verb conjugation
MUST PORPOISE

Regular verb: porpoise - porpoised - porpoised

Affirmation

Simple form	V-ing form
I must porpoise you must porpoise she must porpoise we must porpoise you must porpoise they must porpoise	I must be porpoising you must be porpoising she must be porpoising we must be porpoising you must be porpoising they must be porpoising
Perfect	V-ing perfect
I must have porpoised you must have porpoised she must have porpoised we must have porpoised you must have porpoised they must have porpoised	I must have been porpoising you must have been porpoising she must have been porpoising we must have been porpoising you must have been porpoising they must have been porpoising

Negation

Simple form	V-ing form
I must not porpoise you must not porpoise she must not porpoise we must not porpoise you must not porpoise they must not porpoise	I must not be porpoising you must not be porpoising she must not be porpoising we must not be porpoising you must not be porpoising they must not be porpoising
Perfect	V-ing perfect
I must not have porpoised you must not have porpoised she must not have porpoised we must not have porpoised you must not have porpoised they must not have porpoised	I must not have been porpoising you must not have been porpoising she must not have been porpoising we must not have been porpoising you must not have been porpoising they must not have been porpoising

Interrogative form

Simple form	V-ing form
must I porpoise? must you porpoise? must she porpoise? must we porpoise? must you porpoise? must they porpoise?	must I be porpoising? must you be porpoising? must she be porpoising? must we be porpoising? must you be porpoising? must they be porpoising?
Perfect	V-ing perfect
must I have porpoised? must you have porpoised? must she have porpoised? must we have porpoised? must you have porpoised? must they have porpoised?	must I have been porpoising? must you have been porpoising? must she have been porpoising? must we have been porpoising? must you have been porpoising? must they have been porpoising?

Interro-negative form

Simple form	V-ing form
must I not porpoise? must you not porpoise? must she not porpoise? must we not porpoise? must you not porpoise? must they not porpoise?	must I not be porpoising? must you not be porpoising? must she not be porpoising? must we not be porpoising? must you not be porpoising? must they not be porpoising?
Perfect	V-ing perfect
must I not have porpoised? must you not have porpoised? must she not have porpoised? must we not have porpoised? must you not have porpoised? must they not have porpoised?	must I not have been porpoising? must you not have been porpoising? must she not have been porpoising? must we not have been porpoising? must you not have been porpoising? must they not have been porpoising?