English verb conjugation
MUST MULTIPLY

Regular verb: multiply - multiplied - multiplied

Affirmation

Simple form	V-ing form
I must multiply you must multiply he must multiply we must multiply you must multiply they must multiply	I must be multiplying you must be multiplying he must be multiplying we must be multiplying you must be multiplying they must be multiplying
Perfect	V-ing perfect
I must have multiplied you must have multiplied he must have multiplied we must have multiplied you must have multiplied they must have multiplied	I must have been multiplying you must have been multiplying he must have been multiplying we must have been multiplying you must have been multiplying they must have been multiplying

Negation

Simple form	V-ing form
I must not multiply you must not multiply he must not multiply we must not multiply you must not multiply they must not multiply	I must not be multiplying you must not be multiplying he must not be multiplying we must not be multiplying you must not be multiplying they must not be multiplying
Perfect	V-ing perfect
I must not have multiplied you must not have multiplied he must not have multiplied we must not have multiplied you must not have multiplied they must not have multiplied	I must not have been multiplying you must not have been multiplying he must not have been multiplying we must not have been multiplying you must not have been multiplying they must not have been multiplying

Interrogative form

Simple form	V-ing form
must I multiply? must you multiply? must he multiply? must we multiply? must you multiply? must they multiply?	must I be multiplying? must you be multiplying? must he be multiplying? must we be multiplying? must you be multiplying? must they be multiplying?
Perfect	V-ing perfect
must I have multiplied? must you have multiplied? must he have multiplied? must we have multiplied? must you have multiplied? must they have multiplied?	must I have been multiplying? must you have been multiplying? must he have been multiplying? must we have been multiplying? must you have been multiplying? must they have been multiplying?

Interro-negative form

Simple form	V-ing form
must I not multiply? must you not multiply? must he not multiply? must we not multiply? must you not multiply? must they not multiply?	must I not be multiplying? must you not be multiplying? must he not be multiplying? must we not be multiplying? must you not be multiplying? must they not be multiplying?
Perfect	V-ing perfect
must I not have multiplied? must you not have multiplied? must he not have multiplied? must we not have multiplied? must you not have multiplied? must they not have multiplied?	must I not have been multiplying? must you not have been multiplying? must he not have been multiplying? must we not have been multiplying? must you not have been multiplying? must they not have been multiplying?