English verb conjugation
MUST PINCH

Regular verb: pinch - pinched - pinched

Affirmation

Simple form	V-ing form
I must pinch you must pinch he must pinch we must pinch you must pinch they must pinch	I must be pinching you must be pinching he must be pinching we must be pinching you must be pinching they must be pinching
Perfect	V-ing perfect
I must have pinched you must have pinched he must have pinched we must have pinched you must have pinched they must have pinched	I must have been pinching you must have been pinching he must have been pinching we must have been pinching you must have been pinching they must have been pinching

Negation

Simple form	V-ing form
I mustn't pinch you mustn't pinch he mustn't pinch we mustn't pinch you mustn't pinch they mustn't pinch	I mustn't be pinching you mustn't be pinching he mustn't be pinching we mustn't be pinching you mustn't be pinching they mustn't be pinching
Perfect	V-ing perfect
I mustn't have pinched you mustn't have pinched he mustn't have pinched we mustn't have pinched you mustn't have pinched they mustn't have pinched	I mustn't have been pinching you mustn't have been pinching he mustn't have been pinching we mustn't have been pinching you mustn't have been pinching they mustn't have been pinching

Interrogative form

Simple form	V-ing form
must I pinch? must you pinch? must he pinch? must we pinch? must you pinch? must they pinch?	must I be pinching? must you be pinching? must he be pinching? must we be pinching? must you be pinching? must they be pinching?
Perfect	V-ing perfect
must I have pinched? must you have pinched? must he have pinched? must we have pinched? must you have pinched? must they have pinched?	must I have been pinching? must you have been pinching? must he have been pinching? must we have been pinching? must you have been pinching? must they have been pinching?

Interro-negative form

Simple form	V-ing form
mustn't I pinch? mustn't you pinch? mustn't he pinch? mustn't we pinch? mustn't you pinch? mustn't they pinch?	mustn't I be pinching? mustn't you be pinching? mustn't he be pinching? mustn't we be pinching? mustn't you be pinching? mustn't they be pinching?
Perfect	V-ing perfect
mustn't I have pinched? mustn't you have pinched? mustn't he have pinched? mustn't we have pinched? mustn't you have pinched? mustn't they have pinched?	mustn't I have been pinching? mustn't you have been pinching? mustn't he have been pinching? mustn't we have been pinching? mustn't you have been pinching? mustn't they have been pinching?