English verb conjugation
MUST SKANK

Regular verb: skank - skanked - skanked

Affirmation

Simple form	V-ing form
I must skank you must skank he must skank we must skank you must skank they must skank	I must be skanking you must be skanking he must be skanking we must be skanking you must be skanking they must be skanking
Perfect	V-ing perfect
I must have skanked you must have skanked he must have skanked we must have skanked you must have skanked they must have skanked	I must have been skanking you must have been skanking he must have been skanking we must have been skanking you must have been skanking they must have been skanking

Negation

Simple form	V-ing form
I mustn't skank you mustn't skank he mustn't skank we mustn't skank you mustn't skank they mustn't skank	I mustn't be skanking you mustn't be skanking he mustn't be skanking we mustn't be skanking you mustn't be skanking they mustn't be skanking
Perfect	V-ing perfect
I mustn't have skanked you mustn't have skanked he mustn't have skanked we mustn't have skanked you mustn't have skanked they mustn't have skanked	I mustn't have been skanking you mustn't have been skanking he mustn't have been skanking we mustn't have been skanking you mustn't have been skanking they mustn't have been skanking

Interrogative form

Simple form	V-ing form
must I skank? must you skank? must he skank? must we skank? must you skank? must they skank?	must I be skanking? must you be skanking? must he be skanking? must we be skanking? must you be skanking? must they be skanking?
Perfect	V-ing perfect
must I have skanked? must you have skanked? must he have skanked? must we have skanked? must you have skanked? must they have skanked?	must I have been skanking? must you have been skanking? must he have been skanking? must we have been skanking? must you have been skanking? must they have been skanking?

Interro-negative form

Simple form	V-ing form
mustn't I skank? mustn't you skank? mustn't he skank? mustn't we skank? mustn't you skank? mustn't they skank?	mustn't I be skanking? mustn't you be skanking? mustn't he be skanking? mustn't we be skanking? mustn't you be skanking? mustn't they be skanking?
Perfect	V-ing perfect
mustn't I have skanked? mustn't you have skanked? mustn't he have skanked? mustn't we have skanked? mustn't you have skanked? mustn't they have skanked?	mustn't I have been skanking? mustn't you have been skanking? mustn't he have been skanking? mustn't we have been skanking? mustn't you have been skanking? mustn't they have been skanking?