English verb conjugation
MUST SCRAG

Regular verb: scrag - scragged - scragged

Affirmation

Simple form	V-ing form
I must scrag you must scrag he must scrag we must scrag you must scrag they must scrag	I must be scragging you must be scragging he must be scragging we must be scragging you must be scragging they must be scragging
Perfect	V-ing perfect
I must have scragged you must have scragged he must have scragged we must have scragged you must have scragged they must have scragged	I must have been scragging you must have been scragging he must have been scragging we must have been scragging you must have been scragging they must have been scragging

Negation

Simple form	V-ing form
I mustn't scrag you mustn't scrag he mustn't scrag we mustn't scrag you mustn't scrag they mustn't scrag	I mustn't be scragging you mustn't be scragging he mustn't be scragging we mustn't be scragging you mustn't be scragging they mustn't be scragging
Perfect	V-ing perfect
I mustn't have scragged you mustn't have scragged he mustn't have scragged we mustn't have scragged you mustn't have scragged they mustn't have scragged	I mustn't have been scragging you mustn't have been scragging he mustn't have been scragging we mustn't have been scragging you mustn't have been scragging they mustn't have been scragging

Interrogative form

Simple form	V-ing form
must I scrag? must you scrag? must he scrag? must we scrag? must you scrag? must they scrag?	must I be scragging? must you be scragging? must he be scragging? must we be scragging? must you be scragging? must they be scragging?
Perfect	V-ing perfect
must I have scragged? must you have scragged? must he have scragged? must we have scragged? must you have scragged? must they have scragged?	must I have been scragging? must you have been scragging? must he have been scragging? must we have been scragging? must you have been scragging? must they have been scragging?

Interro-negative form

Simple form	V-ing form
mustn't I scrag? mustn't you scrag? mustn't he scrag? mustn't we scrag? mustn't you scrag? mustn't they scrag?	mustn't I be scragging? mustn't you be scragging? mustn't he be scragging? mustn't we be scragging? mustn't you be scragging? mustn't they be scragging?
Perfect	V-ing perfect
mustn't I have scragged? mustn't you have scragged? mustn't he have scragged? mustn't we have scragged? mustn't you have scragged? mustn't they have scragged?	mustn't I have been scragging? mustn't you have been scragging? mustn't he have been scragging? mustn't we have been scragging? mustn't you have been scragging? mustn't they have been scragging?