English verb conjugation
MUST SCOTCH

Regular verb: scotch - scotched - scotched

Affirmation

Simple form	V-ing form
I must scotch you must scotch he must scotch we must scotch you must scotch they must scotch	I must be scotching you must be scotching he must be scotching we must be scotching you must be scotching they must be scotching
Perfect	V-ing perfect
I must have scotched you must have scotched he must have scotched we must have scotched you must have scotched they must have scotched	I must have been scotching you must have been scotching he must have been scotching we must have been scotching you must have been scotching they must have been scotching

Negation

Simple form	V-ing form
I mustn't scotch you mustn't scotch he mustn't scotch we mustn't scotch you mustn't scotch they mustn't scotch	I mustn't be scotching you mustn't be scotching he mustn't be scotching we mustn't be scotching you mustn't be scotching they mustn't be scotching
Perfect	V-ing perfect
I mustn't have scotched you mustn't have scotched he mustn't have scotched we mustn't have scotched you mustn't have scotched they mustn't have scotched	I mustn't have been scotching you mustn't have been scotching he mustn't have been scotching we mustn't have been scotching you mustn't have been scotching they mustn't have been scotching

Interrogative form

Simple form	V-ing form
must I scotch? must you scotch? must he scotch? must we scotch? must you scotch? must they scotch?	must I be scotching? must you be scotching? must he be scotching? must we be scotching? must you be scotching? must they be scotching?
Perfect	V-ing perfect
must I have scotched? must you have scotched? must he have scotched? must we have scotched? must you have scotched? must they have scotched?	must I have been scotching? must you have been scotching? must he have been scotching? must we have been scotching? must you have been scotching? must they have been scotching?

Interro-negative form

Simple form	V-ing form
mustn't I scotch? mustn't you scotch? mustn't he scotch? mustn't we scotch? mustn't you scotch? mustn't they scotch?	mustn't I be scotching? mustn't you be scotching? mustn't he be scotching? mustn't we be scotching? mustn't you be scotching? mustn't they be scotching?
Perfect	V-ing perfect
mustn't I have scotched? mustn't you have scotched? mustn't he have scotched? mustn't we have scotched? mustn't you have scotched? mustn't they have scotched?	mustn't I have been scotching? mustn't you have been scotching? mustn't he have been scotching? mustn't we have been scotching? mustn't you have been scotching? mustn't they have been scotching?