English verb conjugation
MUST MUMMY

Regular verb: mummy - mummied - mummied

Affirmation

Simple form	V-ing form
I must mummy you must mummy he must mummy we must mummy you must mummy they must mummy	I must be mummying you must be mummying he must be mummying we must be mummying you must be mummying they must be mummying
Perfect	V-ing perfect
I must have mummied you must have mummied he must have mummied we must have mummied you must have mummied they must have mummied	I must have been mummying you must have been mummying he must have been mummying we must have been mummying you must have been mummying they must have been mummying

Negation

Simple form	V-ing form
I must not mummy you must not mummy he must not mummy we must not mummy you must not mummy they must not mummy	I must not be mummying you must not be mummying he must not be mummying we must not be mummying you must not be mummying they must not be mummying
Perfect	V-ing perfect
I must not have mummied you must not have mummied he must not have mummied we must not have mummied you must not have mummied they must not have mummied	I must not have been mummying you must not have been mummying he must not have been mummying we must not have been mummying you must not have been mummying they must not have been mummying

Interrogative form

Simple form	V-ing form
must I mummy? must you mummy? must he mummy? must we mummy? must you mummy? must they mummy?	must I be mummying? must you be mummying? must he be mummying? must we be mummying? must you be mummying? must they be mummying?
Perfect	V-ing perfect
must I have mummied? must you have mummied? must he have mummied? must we have mummied? must you have mummied? must they have mummied?	must I have been mummying? must you have been mummying? must he have been mummying? must we have been mummying? must you have been mummying? must they have been mummying?

Interro-negative form

Simple form	V-ing form
must I not mummy? must you not mummy? must he not mummy? must we not mummy? must you not mummy? must they not mummy?	must I not be mummying? must you not be mummying? must he not be mummying? must we not be mummying? must you not be mummying? must they not be mummying?
Perfect	V-ing perfect
must I not have mummied? must you not have mummied? must he not have mummied? must we not have mummied? must you not have mummied? must they not have mummied?	must I not have been mummying? must you not have been mummying? must he not have been mummying? must we not have been mummying? must you not have been mummying? must they not have been mummying?