English verb conjugation
MUST ROACH

Regular verb: roach - roached - roached

Affirmation

Simple form	V-ing form
I must roach you must roach he must roach we must roach you must roach they must roach	I must be roaching you must be roaching he must be roaching we must be roaching you must be roaching they must be roaching
Perfect	V-ing perfect
I must have roached you must have roached he must have roached we must have roached you must have roached they must have roached	I must have been roaching you must have been roaching he must have been roaching we must have been roaching you must have been roaching they must have been roaching

Negation

Simple form	V-ing form
I mustn't roach you mustn't roach he mustn't roach we mustn't roach you mustn't roach they mustn't roach	I mustn't be roaching you mustn't be roaching he mustn't be roaching we mustn't be roaching you mustn't be roaching they mustn't be roaching
Perfect	V-ing perfect
I mustn't have roached you mustn't have roached he mustn't have roached we mustn't have roached you mustn't have roached they mustn't have roached	I mustn't have been roaching you mustn't have been roaching he mustn't have been roaching we mustn't have been roaching you mustn't have been roaching they mustn't have been roaching

Interrogative form

Simple form	V-ing form
must I roach? must you roach? must he roach? must we roach? must you roach? must they roach?	must I be roaching? must you be roaching? must he be roaching? must we be roaching? must you be roaching? must they be roaching?
Perfect	V-ing perfect
must I have roached? must you have roached? must he have roached? must we have roached? must you have roached? must they have roached?	must I have been roaching? must you have been roaching? must he have been roaching? must we have been roaching? must you have been roaching? must they have been roaching?

Interro-negative form

Simple form	V-ing form
mustn't I roach? mustn't you roach? mustn't he roach? mustn't we roach? mustn't you roach? mustn't they roach?	mustn't I be roaching? mustn't you be roaching? mustn't he be roaching? mustn't we be roaching? mustn't you be roaching? mustn't they be roaching?
Perfect	V-ing perfect
mustn't I have roached? mustn't you have roached? mustn't he have roached? mustn't we have roached? mustn't you have roached? mustn't they have roached?	mustn't I have been roaching? mustn't you have been roaching? mustn't he have been roaching? mustn't we have been roaching? mustn't you have been roaching? mustn't they have been roaching?