English verb conjugation
MUST BOBBIE

Regular verb: bobbie - bobbied - bobbied

Affirmation

Simple form	V-ing form
I must bobbie you must bobbie he must bobbie we must bobbie you must bobbie they must bobbie	I must be bobbying you must be bobbying he must be bobbying we must be bobbying you must be bobbying they must be bobbying
Perfect	V-ing perfect
I must have bobbied you must have bobbied he must have bobbied we must have bobbied you must have bobbied they must have bobbied	I must have been bobbying you must have been bobbying he must have been bobbying we must have been bobbying you must have been bobbying they must have been bobbying

Negation

Simple form	V-ing form
I must not bobbie you must not bobbie he must not bobbie we must not bobbie you must not bobbie they must not bobbie	I must not be bobbying you must not be bobbying he must not be bobbying we must not be bobbying you must not be bobbying they must not be bobbying
Perfect	V-ing perfect
I must not have bobbied you must not have bobbied he must not have bobbied we must not have bobbied you must not have bobbied they must not have bobbied	I must not have been bobbying you must not have been bobbying he must not have been bobbying we must not have been bobbying you must not have been bobbying they must not have been bobbying

Interrogative form

Simple form	V-ing form
must I bobbie? must you bobbie? must he bobbie? must we bobbie? must you bobbie? must they bobbie?	must I be bobbying? must you be bobbying? must he be bobbying? must we be bobbying? must you be bobbying? must they be bobbying?
Perfect	V-ing perfect
must I have bobbied? must you have bobbied? must he have bobbied? must we have bobbied? must you have bobbied? must they have bobbied?	must I have been bobbying? must you have been bobbying? must he have been bobbying? must we have been bobbying? must you have been bobbying? must they have been bobbying?

Interro-negative form

Simple form	V-ing form
must I not bobbie? must you not bobbie? must he not bobbie? must we not bobbie? must you not bobbie? must they not bobbie?	must I not be bobbying? must you not be bobbying? must he not be bobbying? must we not be bobbying? must you not be bobbying? must they not be bobbying?
Perfect	V-ing perfect
must I not have bobbied? must you not have bobbied? must he not have bobbied? must we not have bobbied? must you not have bobbied? must they not have bobbied?	must I not have been bobbying? must you not have been bobbying? must he not have been bobbying? must we not have been bobbying? must you not have been bobbying? must they not have been bobbying?