English verb conjugation
MUST CAREEN

Regular verb: careen - careened - careened

Affirmation

Simple form	V-ing form
I must careen you must careen he must careen we must careen you must careen they must careen	I must be careening you must be careening he must be careening we must be careening you must be careening they must be careening
Perfect	V-ing perfect
I must have careened you must have careened he must have careened we must have careened you must have careened they must have careened	I must have been careening you must have been careening he must have been careening we must have been careening you must have been careening they must have been careening

Negation

Simple form	V-ing form
I mustn't careen you mustn't careen he mustn't careen we mustn't careen you mustn't careen they mustn't careen	I mustn't be careening you mustn't be careening he mustn't be careening we mustn't be careening you mustn't be careening they mustn't be careening
Perfect	V-ing perfect
I mustn't have careened you mustn't have careened he mustn't have careened we mustn't have careened you mustn't have careened they mustn't have careened	I mustn't have been careening you mustn't have been careening he mustn't have been careening we mustn't have been careening you mustn't have been careening they mustn't have been careening

Interrogative form

Simple form	V-ing form
must I careen? must you careen? must he careen? must we careen? must you careen? must they careen?	must I be careening? must you be careening? must he be careening? must we be careening? must you be careening? must they be careening?
Perfect	V-ing perfect
must I have careened? must you have careened? must he have careened? must we have careened? must you have careened? must they have careened?	must I have been careening? must you have been careening? must he have been careening? must we have been careening? must you have been careening? must they have been careening?

Interro-negative form

Simple form	V-ing form
mustn't I careen? mustn't you careen? mustn't he careen? mustn't we careen? mustn't you careen? mustn't they careen?	mustn't I be careening? mustn't you be careening? mustn't he be careening? mustn't we be careening? mustn't you be careening? mustn't they be careening?
Perfect	V-ing perfect
mustn't I have careened? mustn't you have careened? mustn't he have careened? mustn't we have careened? mustn't you have careened? mustn't they have careened?	mustn't I have been careening? mustn't you have been careening? mustn't he have been careening? mustn't we have been careening? mustn't you have been careening? mustn't they have been careening?