English verb conjugation
MUST PICKAXE

Regular verb: pickaxe - pickaxed - pickaxed

Affirmation

Simple form	V-ing form
I must pickaxe you must pickaxe he must pickaxe we must pickaxe you must pickaxe they must pickaxe	I must be pickaxing you must be pickaxing he must be pickaxing we must be pickaxing you must be pickaxing they must be pickaxing
Perfect	V-ing perfect
I must have pickaxed you must have pickaxed he must have pickaxed we must have pickaxed you must have pickaxed they must have pickaxed	I must have been pickaxing you must have been pickaxing he must have been pickaxing we must have been pickaxing you must have been pickaxing they must have been pickaxing

Negation

Simple form	V-ing form
I mustn't pickaxe you mustn't pickaxe he mustn't pickaxe we mustn't pickaxe you mustn't pickaxe they mustn't pickaxe	I mustn't be pickaxing you mustn't be pickaxing he mustn't be pickaxing we mustn't be pickaxing you mustn't be pickaxing they mustn't be pickaxing
Perfect	V-ing perfect
I mustn't have pickaxed you mustn't have pickaxed he mustn't have pickaxed we mustn't have pickaxed you mustn't have pickaxed they mustn't have pickaxed	I mustn't have been pickaxing you mustn't have been pickaxing he mustn't have been pickaxing we mustn't have been pickaxing you mustn't have been pickaxing they mustn't have been pickaxing

Interrogative form

Simple form	V-ing form
must I pickaxe? must you pickaxe? must he pickaxe? must we pickaxe? must you pickaxe? must they pickaxe?	must I be pickaxing? must you be pickaxing? must he be pickaxing? must we be pickaxing? must you be pickaxing? must they be pickaxing?
Perfect	V-ing perfect
must I have pickaxed? must you have pickaxed? must he have pickaxed? must we have pickaxed? must you have pickaxed? must they have pickaxed?	must I have been pickaxing? must you have been pickaxing? must he have been pickaxing? must we have been pickaxing? must you have been pickaxing? must they have been pickaxing?

Interro-negative form

Simple form	V-ing form
mustn't I pickaxe? mustn't you pickaxe? mustn't he pickaxe? mustn't we pickaxe? mustn't you pickaxe? mustn't they pickaxe?	mustn't I be pickaxing? mustn't you be pickaxing? mustn't he be pickaxing? mustn't we be pickaxing? mustn't you be pickaxing? mustn't they be pickaxing?
Perfect	V-ing perfect
mustn't I have pickaxed? mustn't you have pickaxed? mustn't he have pickaxed? mustn't we have pickaxed? mustn't you have pickaxed? mustn't they have pickaxed?	mustn't I have been pickaxing? mustn't you have been pickaxing? mustn't he have been pickaxing? mustn't we have been pickaxing? mustn't you have been pickaxing? mustn't they have been pickaxing?