English verb conjugation
MUST PLANT

Regular verb: plant - planted - planted

Affirmation

Simple form	V-ing form
I must plant you must plant she must plant we must plant you must plant they must plant	I must be planting you must be planting she 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 she 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 she 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 mustn't plant you mustn't plant she mustn't plant we mustn't plant you mustn't plant they mustn't plant	I mustn't be planting you mustn't be planting she mustn't be planting we mustn't be planting you mustn't be planting they mustn't be planting
Perfect	V-ing perfect
I mustn't have planted you mustn't have planted she mustn't have planted we mustn't have planted you mustn't have planted they mustn't have planted	I mustn't have been planting you mustn't have been planting she mustn't have been planting we mustn't have been planting you mustn't have been planting they mustn't have been planting

Interrogative form

Simple form	V-ing form
must I plant? must you plant? must she plant? must we plant? must you plant? must they plant?	must I be planting? must you be planting? must she 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 she 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 she 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
mustn't I plant? mustn't you plant? mustn't she plant? mustn't we plant? mustn't you plant? mustn't they plant?	mustn't I be planting? mustn't you be planting? mustn't she be planting? mustn't we be planting? mustn't you be planting? mustn't they be planting?
Perfect	V-ing perfect
mustn't I have planted? mustn't you have planted? mustn't she have planted? mustn't we have planted? mustn't you have planted? mustn't they have planted?	mustn't I have been planting? mustn't you have been planting? mustn't she have been planting? mustn't we have been planting? mustn't you have been planting? mustn't they have been planting?