English verb conjugation
MUST PRECOOK

Regular verb: precook - precooked - precooked

Affirmation

Simple form	V-ing form
I must precook you must precook he must precook we must precook you must precook they must precook	I must be precooking you must be precooking he must be precooking we must be precooking you must be precooking they must be precooking
Perfect	V-ing perfect
I must have precooked you must have precooked he must have precooked we must have precooked you must have precooked they must have precooked	I must have been precooking you must have been precooking he must have been precooking we must have been precooking you must have been precooking they must have been precooking

Negation

Simple form	V-ing form
I mustn't precook you mustn't precook he mustn't precook we mustn't precook you mustn't precook they mustn't precook	I mustn't be precooking you mustn't be precooking he mustn't be precooking we mustn't be precooking you mustn't be precooking they mustn't be precooking
Perfect	V-ing perfect
I mustn't have precooked you mustn't have precooked he mustn't have precooked we mustn't have precooked you mustn't have precooked they mustn't have precooked	I mustn't have been precooking you mustn't have been precooking he mustn't have been precooking we mustn't have been precooking you mustn't have been precooking they mustn't have been precooking

Interrogative form

Simple form	V-ing form
must I precook? must you precook? must he precook? must we precook? must you precook? must they precook?	must I be precooking? must you be precooking? must he be precooking? must we be precooking? must you be precooking? must they be precooking?
Perfect	V-ing perfect
must I have precooked? must you have precooked? must he have precooked? must we have precooked? must you have precooked? must they have precooked?	must I have been precooking? must you have been precooking? must he have been precooking? must we have been precooking? must you have been precooking? must they have been precooking?

Interro-negative form

Simple form	V-ing form
mustn't I precook? mustn't you precook? mustn't he precook? mustn't we precook? mustn't you precook? mustn't they precook?	mustn't I be precooking? mustn't you be precooking? mustn't he be precooking? mustn't we be precooking? mustn't you be precooking? mustn't they be precooking?
Perfect	V-ing perfect
mustn't I have precooked? mustn't you have precooked? mustn't he have precooked? mustn't we have precooked? mustn't you have precooked? mustn't they have precooked?	mustn't I have been precooking? mustn't you have been precooking? mustn't he have been precooking? mustn't we have been precooking? mustn't you have been precooking? mustn't they have been precooking?