English verb conjugation
MUST BOBBLE

Regular verb: bobble - bobbled - bobbled

Affirmation

Simple form	V-ing form
I must bobble you must bobble he must bobble we must bobble you must bobble they must bobble	I must be bobbling you must be bobbling he must be bobbling we must be bobbling you must be bobbling they must be bobbling
Perfect	V-ing perfect
I must have bobbled you must have bobbled he must have bobbled we must have bobbled you must have bobbled they must have bobbled	I must have been bobbling you must have been bobbling he must have been bobbling we must have been bobbling you must have been bobbling they must have been bobbling

Negation

Simple form	V-ing form
I must not bobble you must not bobble he must not bobble we must not bobble you must not bobble they must not bobble	I must not be bobbling you must not be bobbling he must not be bobbling we must not be bobbling you must not be bobbling they must not be bobbling
Perfect	V-ing perfect
I must not have bobbled you must not have bobbled he must not have bobbled we must not have bobbled you must not have bobbled they must not have bobbled	I must not have been bobbling you must not have been bobbling he must not have been bobbling we must not have been bobbling you must not have been bobbling they must not have been bobbling

Interrogative form

Simple form	V-ing form
must I bobble? must you bobble? must he bobble? must we bobble? must you bobble? must they bobble?	must I be bobbling? must you be bobbling? must he be bobbling? must we be bobbling? must you be bobbling? must they be bobbling?
Perfect	V-ing perfect
must I have bobbled? must you have bobbled? must he have bobbled? must we have bobbled? must you have bobbled? must they have bobbled?	must I have been bobbling? must you have been bobbling? must he have been bobbling? must we have been bobbling? must you have been bobbling? must they have been bobbling?

Interro-negative form

Simple form	V-ing form
must I not bobble? must you not bobble? must he not bobble? must we not bobble? must you not bobble? must they not bobble?	must I not be bobbling? must you not be bobbling? must he not be bobbling? must we not be bobbling? must you not be bobbling? must they not be bobbling?
Perfect	V-ing perfect
must I not have bobbled? must you not have bobbled? must he not have bobbled? must we not have bobbled? must you not have bobbled? must they not have bobbled?	must I not have been bobbling? must you not have been bobbling? must he not have been bobbling? must we not have been bobbling? must you not have been bobbling? must they not have been bobbling?