English verb conjugation
MUST DEHISCE

Regular verb: dehisce - dehisced - dehisced

Affirmation

Simple form	V-ing form
I must dehisce you must dehisce he must dehisce we must dehisce you must dehisce they must dehisce	I must be dehiscing you must be dehiscing he must be dehiscing we must be dehiscing you must be dehiscing they must be dehiscing
Perfect	V-ing perfect
I must have dehisced you must have dehisced he must have dehisced we must have dehisced you must have dehisced they must have dehisced	I must have been dehiscing you must have been dehiscing he must have been dehiscing we must have been dehiscing you must have been dehiscing they must have been dehiscing

Negation

Simple form	V-ing form
I mustn't dehisce you mustn't dehisce he mustn't dehisce we mustn't dehisce you mustn't dehisce they mustn't dehisce	I mustn't be dehiscing you mustn't be dehiscing he mustn't be dehiscing we mustn't be dehiscing you mustn't be dehiscing they mustn't be dehiscing
Perfect	V-ing perfect
I mustn't have dehisced you mustn't have dehisced he mustn't have dehisced we mustn't have dehisced you mustn't have dehisced they mustn't have dehisced	I mustn't have been dehiscing you mustn't have been dehiscing he mustn't have been dehiscing we mustn't have been dehiscing you mustn't have been dehiscing they mustn't have been dehiscing

Interrogative form

Simple form	V-ing form
must I dehisce? must you dehisce? must he dehisce? must we dehisce? must you dehisce? must they dehisce?	must I be dehiscing? must you be dehiscing? must he be dehiscing? must we be dehiscing? must you be dehiscing? must they be dehiscing?
Perfect	V-ing perfect
must I have dehisced? must you have dehisced? must he have dehisced? must we have dehisced? must you have dehisced? must they have dehisced?	must I have been dehiscing? must you have been dehiscing? must he have been dehiscing? must we have been dehiscing? must you have been dehiscing? must they have been dehiscing?

Interro-negative form

Simple form	V-ing form
mustn't I dehisce? mustn't you dehisce? mustn't he dehisce? mustn't we dehisce? mustn't you dehisce? mustn't they dehisce?	mustn't I be dehiscing? mustn't you be dehiscing? mustn't he be dehiscing? mustn't we be dehiscing? mustn't you be dehiscing? mustn't they be dehiscing?
Perfect	V-ing perfect
mustn't I have dehisced? mustn't you have dehisced? mustn't he have dehisced? mustn't we have dehisced? mustn't you have dehisced? mustn't they have dehisced?	mustn't I have been dehiscing? mustn't you have been dehiscing? mustn't he have been dehiscing? mustn't we have been dehiscing? mustn't you have been dehiscing? mustn't they have been dehiscing?