English verb conjugation
MUST JAPE

Regular verb: jape - japed - japed

Affirmation

Simple form	V-ing form
I must jape you must jape he must jape we must jape you must jape they must jape	I must be japing you must be japing he must be japing we must be japing you must be japing they must be japing
Perfect	V-ing perfect
I must have japed you must have japed he must have japed we must have japed you must have japed they must have japed	I must have been japing you must have been japing he must have been japing we must have been japing you must have been japing they must have been japing

Negation

Simple form	V-ing form
I must not jape you must not jape he must not jape we must not jape you must not jape they must not jape	I must not be japing you must not be japing he must not be japing we must not be japing you must not be japing they must not be japing
Perfect	V-ing perfect
I must not have japed you must not have japed he must not have japed we must not have japed you must not have japed they must not have japed	I must not have been japing you must not have been japing he must not have been japing we must not have been japing you must not have been japing they must not have been japing

Interrogative form

Simple form	V-ing form
must I jape? must you jape? must he jape? must we jape? must you jape? must they jape?	must I be japing? must you be japing? must he be japing? must we be japing? must you be japing? must they be japing?
Perfect	V-ing perfect
must I have japed? must you have japed? must he have japed? must we have japed? must you have japed? must they have japed?	must I have been japing? must you have been japing? must he have been japing? must we have been japing? must you have been japing? must they have been japing?

Interro-negative form

Simple form	V-ing form
must I not jape? must you not jape? must he not jape? must we not jape? must you not jape? must they not jape?	must I not be japing? must you not be japing? must he not be japing? must we not be japing? must you not be japing? must they not be japing?
Perfect	V-ing perfect
must I not have japed? must you not have japed? must he not have japed? must we not have japed? must you not have japed? must they not have japed?	must I not have been japing? must you not have been japing? must he not have been japing? must we not have been japing? must you not have been japing? must they not have been japing?