English verb conjugation
MUST COURSE

Regular verb: course - coursed - coursed

Affirmation

Simple form	V-ing form
I must course you must course he must course we must course you must course they must course	I must be coursing you must be coursing he must be coursing we must be coursing you must be coursing they must be coursing
Perfect	V-ing perfect
I must have coursed you must have coursed he must have coursed we must have coursed you must have coursed they must have coursed	I must have been coursing you must have been coursing he must have been coursing we must have been coursing you must have been coursing they must have been coursing

Negation

Simple form	V-ing form
I mustn't course you mustn't course he mustn't course we mustn't course you mustn't course they mustn't course	I mustn't be coursing you mustn't be coursing he mustn't be coursing we mustn't be coursing you mustn't be coursing they mustn't be coursing
Perfect	V-ing perfect
I mustn't have coursed you mustn't have coursed he mustn't have coursed we mustn't have coursed you mustn't have coursed they mustn't have coursed	I mustn't have been coursing you mustn't have been coursing he mustn't have been coursing we mustn't have been coursing you mustn't have been coursing they mustn't have been coursing

Interrogative form

Simple form	V-ing form
must I course? must you course? must he course? must we course? must you course? must they course?	must I be coursing? must you be coursing? must he be coursing? must we be coursing? must you be coursing? must they be coursing?
Perfect	V-ing perfect
must I have coursed? must you have coursed? must he have coursed? must we have coursed? must you have coursed? must they have coursed?	must I have been coursing? must you have been coursing? must he have been coursing? must we have been coursing? must you have been coursing? must they have been coursing?

Interro-negative form

Simple form	V-ing form
mustn't I course? mustn't you course? mustn't he course? mustn't we course? mustn't you course? mustn't they course?	mustn't I be coursing? mustn't you be coursing? mustn't he be coursing? mustn't we be coursing? mustn't you be coursing? mustn't they be coursing?
Perfect	V-ing perfect
mustn't I have coursed? mustn't you have coursed? mustn't he have coursed? mustn't we have coursed? mustn't you have coursed? mustn't they have coursed?	mustn't I have been coursing? mustn't you have been coursing? mustn't he have been coursing? mustn't we have been coursing? mustn't you have been coursing? mustn't they have been coursing?