English verb conjugation
MUST STOCK

Regular verb: stock - stocked - stocked

Affirmation

Simple form	V-ing form
I must stock you must stock he must stock we must stock you must stock they must stock	I must be stocking you must be stocking he must be stocking we must be stocking you must be stocking they must be stocking
Perfect	V-ing perfect
I must have stocked you must have stocked he must have stocked we must have stocked you must have stocked they must have stocked	I must have been stocking you must have been stocking he must have been stocking we must have been stocking you must have been stocking they must have been stocking

Negation

Simple form	V-ing form
I mustn't stock you mustn't stock he mustn't stock we mustn't stock you mustn't stock they mustn't stock	I mustn't be stocking you mustn't be stocking he mustn't be stocking we mustn't be stocking you mustn't be stocking they mustn't be stocking
Perfect	V-ing perfect
I mustn't have stocked you mustn't have stocked he mustn't have stocked we mustn't have stocked you mustn't have stocked they mustn't have stocked	I mustn't have been stocking you mustn't have been stocking he mustn't have been stocking we mustn't have been stocking you mustn't have been stocking they mustn't have been stocking

Interrogative form

Simple form	V-ing form
must I stock? must you stock? must he stock? must we stock? must you stock? must they stock?	must I be stocking? must you be stocking? must he be stocking? must we be stocking? must you be stocking? must they be stocking?
Perfect	V-ing perfect
must I have stocked? must you have stocked? must he have stocked? must we have stocked? must you have stocked? must they have stocked?	must I have been stocking? must you have been stocking? must he have been stocking? must we have been stocking? must you have been stocking? must they have been stocking?

Interro-negative form

Simple form	V-ing form
mustn't I stock? mustn't you stock? mustn't he stock? mustn't we stock? mustn't you stock? mustn't they stock?	mustn't I be stocking? mustn't you be stocking? mustn't he be stocking? mustn't we be stocking? mustn't you be stocking? mustn't they be stocking?
Perfect	V-ing perfect
mustn't I have stocked? mustn't you have stocked? mustn't he have stocked? mustn't we have stocked? mustn't you have stocked? mustn't they have stocked?	mustn't I have been stocking? mustn't you have been stocking? mustn't he have been stocking? mustn't we have been stocking? mustn't you have been stocking? mustn't they have been stocking?