English verb conjugation
MUST COBBLE

Regular verb: cobble - cobbled - cobbled

Affirmation

Simple form	V-ing form
I must cobble you must cobble he must cobble we must cobble you must cobble they must cobble	I must be cobbling you must be cobbling he must be cobbling we must be cobbling you must be cobbling they must be cobbling
Perfect	V-ing perfect
I must have cobbled you must have cobbled he must have cobbled we must have cobbled you must have cobbled they must have cobbled	I must have been cobbling you must have been cobbling he must have been cobbling we must have been cobbling you must have been cobbling they must have been cobbling

Negation

Simple form	V-ing form
I must not cobble you must not cobble he must not cobble we must not cobble you must not cobble they must not cobble	I must not be cobbling you must not be cobbling he must not be cobbling we must not be cobbling you must not be cobbling they must not be cobbling
Perfect	V-ing perfect
I must not have cobbled you must not have cobbled he must not have cobbled we must not have cobbled you must not have cobbled they must not have cobbled	I must not have been cobbling you must not have been cobbling he must not have been cobbling we must not have been cobbling you must not have been cobbling they must not have been cobbling

Interrogative form

Simple form	V-ing form
must I cobble? must you cobble? must he cobble? must we cobble? must you cobble? must they cobble?	must I be cobbling? must you be cobbling? must he be cobbling? must we be cobbling? must you be cobbling? must they be cobbling?
Perfect	V-ing perfect
must I have cobbled? must you have cobbled? must he have cobbled? must we have cobbled? must you have cobbled? must they have cobbled?	must I have been cobbling? must you have been cobbling? must he have been cobbling? must we have been cobbling? must you have been cobbling? must they have been cobbling?

Interro-negative form

Simple form	V-ing form
must I not cobble? must you not cobble? must he not cobble? must we not cobble? must you not cobble? must they not cobble?	must I not be cobbling? must you not be cobbling? must he not be cobbling? must we not be cobbling? must you not be cobbling? must they not be cobbling?
Perfect	V-ing perfect
must I not have cobbled? must you not have cobbled? must he not have cobbled? must we not have cobbled? must you not have cobbled? must they not have cobbled?	must I not have been cobbling? must you not have been cobbling? must he not have been cobbling? must we not have been cobbling? must you not have been cobbling? must they not have been cobbling?