English verb conjugation
MUST BUGGAR

Regular verb: buggar - buggared - buggared

Affirmation

Simple form	V-ing form
I must buggar you must buggar he must buggar we must buggar you must buggar they must buggar	I must be buggaring you must be buggaring he must be buggaring we must be buggaring you must be buggaring they must be buggaring
Perfect	V-ing perfect
I must have buggared you must have buggared he must have buggared we must have buggared you must have buggared they must have buggared	I must have been buggaring you must have been buggaring he must have been buggaring we must have been buggaring you must have been buggaring they must have been buggaring

Negation

Simple form	V-ing form
I must not buggar you must not buggar he must not buggar we must not buggar you must not buggar they must not buggar	I must not be buggaring you must not be buggaring he must not be buggaring we must not be buggaring you must not be buggaring they must not be buggaring
Perfect	V-ing perfect
I must not have buggared you must not have buggared he must not have buggared we must not have buggared you must not have buggared they must not have buggared	I must not have been buggaring you must not have been buggaring he must not have been buggaring we must not have been buggaring you must not have been buggaring they must not have been buggaring

Interrogative form

Simple form	V-ing form
must I buggar? must you buggar? must he buggar? must we buggar? must you buggar? must they buggar?	must I be buggaring? must you be buggaring? must he be buggaring? must we be buggaring? must you be buggaring? must they be buggaring?
Perfect	V-ing perfect
must I have buggared? must you have buggared? must he have buggared? must we have buggared? must you have buggared? must they have buggared?	must I have been buggaring? must you have been buggaring? must he have been buggaring? must we have been buggaring? must you have been buggaring? must they have been buggaring?

Interro-negative form

Simple form	V-ing form
must I not buggar? must you not buggar? must he not buggar? must we not buggar? must you not buggar? must they not buggar?	must I not be buggaring? must you not be buggaring? must he not be buggaring? must we not be buggaring? must you not be buggaring? must they not be buggaring?
Perfect	V-ing perfect
must I not have buggared? must you not have buggared? must he not have buggared? must we not have buggared? must you not have buggared? must they not have buggared?	must I not have been buggaring? must you not have been buggaring? must he not have been buggaring? must we not have been buggaring? must you not have been buggaring? must they not have been buggaring?