English verb conjugation
MUST DEBOUCH

Regular verb: debouch - debouched - debouched

Affirmation

Simple form	V-ing form
I must debouch you must debouch he must debouch we must debouch you must debouch they must debouch	I must be debouching you must be debouching he must be debouching we must be debouching you must be debouching they must be debouching
Perfect	V-ing perfect
I must have debouched you must have debouched he must have debouched we must have debouched you must have debouched they must have debouched	I must have been debouching you must have been debouching he must have been debouching we must have been debouching you must have been debouching they must have been debouching

Negation

Simple form	V-ing form
I mustn't debouch you mustn't debouch he mustn't debouch we mustn't debouch you mustn't debouch they mustn't debouch	I mustn't be debouching you mustn't be debouching he mustn't be debouching we mustn't be debouching you mustn't be debouching they mustn't be debouching
Perfect	V-ing perfect
I mustn't have debouched you mustn't have debouched he mustn't have debouched we mustn't have debouched you mustn't have debouched they mustn't have debouched	I mustn't have been debouching you mustn't have been debouching he mustn't have been debouching we mustn't have been debouching you mustn't have been debouching they mustn't have been debouching

Interrogative form

Simple form	V-ing form
must I debouch? must you debouch? must he debouch? must we debouch? must you debouch? must they debouch?	must I be debouching? must you be debouching? must he be debouching? must we be debouching? must you be debouching? must they be debouching?
Perfect	V-ing perfect
must I have debouched? must you have debouched? must he have debouched? must we have debouched? must you have debouched? must they have debouched?	must I have been debouching? must you have been debouching? must he have been debouching? must we have been debouching? must you have been debouching? must they have been debouching?

Interro-negative form

Simple form	V-ing form
mustn't I debouch? mustn't you debouch? mustn't he debouch? mustn't we debouch? mustn't you debouch? mustn't they debouch?	mustn't I be debouching? mustn't you be debouching? mustn't he be debouching? mustn't we be debouching? mustn't you be debouching? mustn't they be debouching?
Perfect	V-ing perfect
mustn't I have debouched? mustn't you have debouched? mustn't he have debouched? mustn't we have debouched? mustn't you have debouched? mustn't they have debouched?	mustn't I have been debouching? mustn't you have been debouching? mustn't he have been debouching? mustn't we have been debouching? mustn't you have been debouching? mustn't they have been debouching?