English verb conjugation
MUST DOGSLED

Regular verb: dogsled - dogsleded - dogsleded

Affirmation

Simple form	V-ing form
I must dogsled you must dogsled he must dogsled we must dogsled you must dogsled they must dogsled	I must be dogsleding you must be dogsleding he must be dogsleding we must be dogsleding you must be dogsleding they must be dogsleding
Perfect	V-ing perfect
I must have dogsleded you must have dogsleded he must have dogsleded we must have dogsleded you must have dogsleded they must have dogsleded	I must have been dogsleding you must have been dogsleding he must have been dogsleding we must have been dogsleding you must have been dogsleding they must have been dogsleding

Negation

Simple form	V-ing form
I mustn't dogsled you mustn't dogsled he mustn't dogsled we mustn't dogsled you mustn't dogsled they mustn't dogsled	I mustn't be dogsleding you mustn't be dogsleding he mustn't be dogsleding we mustn't be dogsleding you mustn't be dogsleding they mustn't be dogsleding
Perfect	V-ing perfect
I mustn't have dogsleded you mustn't have dogsleded he mustn't have dogsleded we mustn't have dogsleded you mustn't have dogsleded they mustn't have dogsleded	I mustn't have been dogsleding you mustn't have been dogsleding he mustn't have been dogsleding we mustn't have been dogsleding you mustn't have been dogsleding they mustn't have been dogsleding

Interrogative form

Simple form	V-ing form
must I dogsled? must you dogsled? must he dogsled? must we dogsled? must you dogsled? must they dogsled?	must I be dogsleding? must you be dogsleding? must he be dogsleding? must we be dogsleding? must you be dogsleding? must they be dogsleding?
Perfect	V-ing perfect
must I have dogsleded? must you have dogsleded? must he have dogsleded? must we have dogsleded? must you have dogsleded? must they have dogsleded?	must I have been dogsleding? must you have been dogsleding? must he have been dogsleding? must we have been dogsleding? must you have been dogsleding? must they have been dogsleding?

Interro-negative form

Simple form	V-ing form
mustn't I dogsled? mustn't you dogsled? mustn't he dogsled? mustn't we dogsled? mustn't you dogsled? mustn't they dogsled?	mustn't I be dogsleding? mustn't you be dogsleding? mustn't he be dogsleding? mustn't we be dogsleding? mustn't you be dogsleding? mustn't they be dogsleding?
Perfect	V-ing perfect
mustn't I have dogsleded? mustn't you have dogsleded? mustn't he have dogsleded? mustn't we have dogsleded? mustn't you have dogsleded? mustn't they have dogsleded?	mustn't I have been dogsleding? mustn't you have been dogsleding? mustn't he have been dogsleding? mustn't we have been dogsleding? mustn't you have been dogsleding? mustn't they have been dogsleding?