English verb conjugation
MUST SHRIVEL

Regular verb: shrivel - shrivelled - shrivelled

Affirmation

Simple form	V-ing form
I must shrivel you must shrivel he must shrivel we must shrivel you must shrivel they must shrivel	I must be shrivelling you must be shrivelling he must be shrivelling we must be shrivelling you must be shrivelling they must be shrivelling
Perfect	V-ing perfect
I must have shrivelled you must have shrivelled he must have shrivelled we must have shrivelled you must have shrivelled they must have shrivelled	I must have been shrivelling you must have been shrivelling he must have been shrivelling we must have been shrivelling you must have been shrivelling they must have been shrivelling

Negation

Simple form	V-ing form
I mustn't shrivel you mustn't shrivel he mustn't shrivel we mustn't shrivel you mustn't shrivel they mustn't shrivel	I mustn't be shrivelling you mustn't be shrivelling he mustn't be shrivelling we mustn't be shrivelling you mustn't be shrivelling they mustn't be shrivelling
Perfect	V-ing perfect
I mustn't have shrivelled you mustn't have shrivelled he mustn't have shrivelled we mustn't have shrivelled you mustn't have shrivelled they mustn't have shrivelled	I mustn't have been shrivelling you mustn't have been shrivelling he mustn't have been shrivelling we mustn't have been shrivelling you mustn't have been shrivelling they mustn't have been shrivelling

Interrogative form

Simple form	V-ing form
must I shrivel? must you shrivel? must he shrivel? must we shrivel? must you shrivel? must they shrivel?	must I be shrivelling? must you be shrivelling? must he be shrivelling? must we be shrivelling? must you be shrivelling? must they be shrivelling?
Perfect	V-ing perfect
must I have shrivelled? must you have shrivelled? must he have shrivelled? must we have shrivelled? must you have shrivelled? must they have shrivelled?	must I have been shrivelling? must you have been shrivelling? must he have been shrivelling? must we have been shrivelling? must you have been shrivelling? must they have been shrivelling?

Interro-negative form

Simple form	V-ing form
mustn't I shrivel? mustn't you shrivel? mustn't he shrivel? mustn't we shrivel? mustn't you shrivel? mustn't they shrivel?	mustn't I be shrivelling? mustn't you be shrivelling? mustn't he be shrivelling? mustn't we be shrivelling? mustn't you be shrivelling? mustn't they be shrivelling?
Perfect	V-ing perfect
mustn't I have shrivelled? mustn't you have shrivelled? mustn't he have shrivelled? mustn't we have shrivelled? mustn't you have shrivelled? mustn't they have shrivelled?	mustn't I have been shrivelling? mustn't you have been shrivelling? mustn't he have been shrivelling? mustn't we have been shrivelling? mustn't you have been shrivelling? mustn't they have been shrivelling?