English verb conjugation
MUST INFRINGE

Regular verb: infringe - infringed - infringed

Affirmation

Simple form	V-ing form
I must infringe you must infringe he must infringe we must infringe you must infringe they must infringe	I must be infringing you must be infringing he must be infringing we must be infringing you must be infringing they must be infringing
Perfect	V-ing perfect
I must have infringed you must have infringed he must have infringed we must have infringed you must have infringed they must have infringed	I must have been infringing you must have been infringing he must have been infringing we must have been infringing you must have been infringing they must have been infringing

Negation

Simple form	V-ing form
I must not infringe you must not infringe he must not infringe we must not infringe you must not infringe they must not infringe	I must not be infringing you must not be infringing he must not be infringing we must not be infringing you must not be infringing they must not be infringing
Perfect	V-ing perfect
I must not have infringed you must not have infringed he must not have infringed we must not have infringed you must not have infringed they must not have infringed	I must not have been infringing you must not have been infringing he must not have been infringing we must not have been infringing you must not have been infringing they must not have been infringing

Interrogative form

Simple form	V-ing form
must I infringe? must you infringe? must he infringe? must we infringe? must you infringe? must they infringe?	must I be infringing? must you be infringing? must he be infringing? must we be infringing? must you be infringing? must they be infringing?
Perfect	V-ing perfect
must I have infringed? must you have infringed? must he have infringed? must we have infringed? must you have infringed? must they have infringed?	must I have been infringing? must you have been infringing? must he have been infringing? must we have been infringing? must you have been infringing? must they have been infringing?

Interro-negative form

Simple form	V-ing form
must I not infringe? must you not infringe? must he not infringe? must we not infringe? must you not infringe? must they not infringe?	must I not be infringing? must you not be infringing? must he not be infringing? must we not be infringing? must you not be infringing? must they not be infringing?
Perfect	V-ing perfect
must I not have infringed? must you not have infringed? must he not have infringed? must we not have infringed? must you not have infringed? must they not have infringed?	must I not have been infringing? must you not have been infringing? must he not have been infringing? must we not have been infringing? must you not have been infringing? must they not have been infringing?