English verb conjugation
MUST SCAR

Regular verb: scar - scarred - scarred

Affirmation

Simple form	V-ing form
I must scar you must scar he must scar we must scar you must scar they must scar	I must be scarring you must be scarring he must be scarring we must be scarring you must be scarring they must be scarring
Perfect	V-ing perfect
I must have scarred you must have scarred he must have scarred we must have scarred you must have scarred they must have scarred	I must have been scarring you must have been scarring he must have been scarring we must have been scarring you must have been scarring they must have been scarring

Negation

Simple form	V-ing form
I mustn't scar you mustn't scar he mustn't scar we mustn't scar you mustn't scar they mustn't scar	I mustn't be scarring you mustn't be scarring he mustn't be scarring we mustn't be scarring you mustn't be scarring they mustn't be scarring
Perfect	V-ing perfect
I mustn't have scarred you mustn't have scarred he mustn't have scarred we mustn't have scarred you mustn't have scarred they mustn't have scarred	I mustn't have been scarring you mustn't have been scarring he mustn't have been scarring we mustn't have been scarring you mustn't have been scarring they mustn't have been scarring

Interrogative form

Simple form	V-ing form
must I scar? must you scar? must he scar? must we scar? must you scar? must they scar?	must I be scarring? must you be scarring? must he be scarring? must we be scarring? must you be scarring? must they be scarring?
Perfect	V-ing perfect
must I have scarred? must you have scarred? must he have scarred? must we have scarred? must you have scarred? must they have scarred?	must I have been scarring? must you have been scarring? must he have been scarring? must we have been scarring? must you have been scarring? must they have been scarring?

Interro-negative form

Simple form	V-ing form
mustn't I scar? mustn't you scar? mustn't he scar? mustn't we scar? mustn't you scar? mustn't they scar?	mustn't I be scarring? mustn't you be scarring? mustn't he be scarring? mustn't we be scarring? mustn't you be scarring? mustn't they be scarring?
Perfect	V-ing perfect
mustn't I have scarred? mustn't you have scarred? mustn't he have scarred? mustn't we have scarred? mustn't you have scarred? mustn't they have scarred?	mustn't I have been scarring? mustn't you have been scarring? mustn't he have been scarring? mustn't we have been scarring? mustn't you have been scarring? mustn't they have been scarring?