English verb conjugation
MUST PLANT

Regular verb: plant - planted - planted

Affirmation

Simple form	V-ing form
I must plant you must plant he must plant we must plant you must plant they must plant	I must be planting you must be planting he must be planting we must be planting you must be planting they must be planting
Perfect	V-ing perfect
I must have planted you must have planted he must have planted we must have planted you must have planted they must have planted	I must have been planting you must have been planting he must have been planting we must have been planting you must have been planting they must have been planting

Negation

Simple form	V-ing form
I must not plant you must not plant he must not plant we must not plant you must not plant they must not plant	I must not be planting you must not be planting he must not be planting we must not be planting you must not be planting they must not be planting
Perfect	V-ing perfect
I must not have planted you must not have planted he must not have planted we must not have planted you must not have planted they must not have planted	I must not have been planting you must not have been planting he must not have been planting we must not have been planting you must not have been planting they must not have been planting

Interrogative form

Simple form	V-ing form
must I plant? must you plant? must he plant? must we plant? must you plant? must they plant?	must I be planting? must you be planting? must he be planting? must we be planting? must you be planting? must they be planting?
Perfect	V-ing perfect
must I have planted? must you have planted? must he have planted? must we have planted? must you have planted? must they have planted?	must I have been planting? must you have been planting? must he have been planting? must we have been planting? must you have been planting? must they have been planting?

Interro-negative form

Simple form	V-ing form
must I not plant? must you not plant? must he not plant? must we not plant? must you not plant? must they not plant?	must I not be planting? must you not be planting? must he not be planting? must we not be planting? must you not be planting? must they not be planting?
Perfect	V-ing perfect
must I not have planted? must you not have planted? must he not have planted? must we not have planted? must you not have planted? must they not have planted?	must I not have been planting? must you not have been planting? must he not have been planting? must we not have been planting? must you not have been planting? must they not have been planting?