English verb conjugation
MUST SCUD

Regular verb: scud - scudded - scudded

Affirmation

Simple form	V-ing form
I must scud you must scud he must scud we must scud you must scud they must scud	I must be scudding you must be scudding he must be scudding we must be scudding you must be scudding they must be scudding
Perfect	V-ing perfect
I must have scudded you must have scudded he must have scudded we must have scudded you must have scudded they must have scudded	I must have been scudding you must have been scudding he must have been scudding we must have been scudding you must have been scudding they must have been scudding

Negation

Simple form	V-ing form
I mustn't scud you mustn't scud he mustn't scud we mustn't scud you mustn't scud they mustn't scud	I mustn't be scudding you mustn't be scudding he mustn't be scudding we mustn't be scudding you mustn't be scudding they mustn't be scudding
Perfect	V-ing perfect
I mustn't have scudded you mustn't have scudded he mustn't have scudded we mustn't have scudded you mustn't have scudded they mustn't have scudded	I mustn't have been scudding you mustn't have been scudding he mustn't have been scudding we mustn't have been scudding you mustn't have been scudding they mustn't have been scudding

Interrogative form

Simple form	V-ing form
must I scud? must you scud? must he scud? must we scud? must you scud? must they scud?	must I be scudding? must you be scudding? must he be scudding? must we be scudding? must you be scudding? must they be scudding?
Perfect	V-ing perfect
must I have scudded? must you have scudded? must he have scudded? must we have scudded? must you have scudded? must they have scudded?	must I have been scudding? must you have been scudding? must he have been scudding? must we have been scudding? must you have been scudding? must they have been scudding?

Interro-negative form

Simple form	V-ing form
mustn't I scud? mustn't you scud? mustn't he scud? mustn't we scud? mustn't you scud? mustn't they scud?	mustn't I be scudding? mustn't you be scudding? mustn't he be scudding? mustn't we be scudding? mustn't you be scudding? mustn't they be scudding?
Perfect	V-ing perfect
mustn't I have scudded? mustn't you have scudded? mustn't he have scudded? mustn't we have scudded? mustn't you have scudded? mustn't they have scudded?	mustn't I have been scudding? mustn't you have been scudding? mustn't he have been scudding? mustn't we have been scudding? mustn't you have been scudding? mustn't they have been scudding?