I must equal you must equal he must equal we must equal you must equal they must equal
V-ing form
I must be equalling you must be equalling he must be equalling we must be equalling you must be equalling they must be equalling
Perfect
I must have equalled you must have equalled he must have equalled we must have equalled you must have equalled they must have equalled
V-ing perfect
I must have been equalling you must have been equalling he must have been equalling we must have been equalling you must have been equalling they must have been equalling
Negation
Simple form
I mustn't equal you mustn't equal he mustn't equal we mustn't equal you mustn't equal they mustn't equal
V-ing form
I mustn't be equalling you mustn't be equalling he mustn't be equalling we mustn't be equalling you mustn't be equalling they mustn't be equalling
Perfect
I mustn't have equalled you mustn't have equalled he mustn't have equalled we mustn't have equalled you mustn't have equalled they mustn't have equalled
V-ing perfect
I mustn't have been equalling you mustn't have been equalling he mustn't have been equalling we mustn't have been equalling you mustn't have been equalling they mustn't have been equalling
Interrogative form
Simple form
must I equal? must you equal? must he equal? must we equal? must you equal? must they equal?
V-ing form
must I be equalling? must you be equalling? must he be equalling? must we be equalling? must you be equalling? must they be equalling?
Perfect
must I have equalled? must you have equalled? must he have equalled? must we have equalled? must you have equalled? must they have equalled?
V-ing perfect
must I have been equalling? must you have been equalling? must he have been equalling? must we have been equalling? must you have been equalling? must they have been equalling?
Interro-negative form
Simple form
mustn't I equal? mustn't you equal? mustn't he equal? mustn't we equal? mustn't you equal? mustn't they equal?
V-ing form
mustn't I be equalling? mustn't you be equalling? mustn't he be equalling? mustn't we be equalling? mustn't you be equalling? mustn't they be equalling?
Perfect
mustn't I have equalled? mustn't you have equalled? mustn't he have equalled? mustn't we have equalled? mustn't you have equalled? mustn't they have equalled?
V-ing perfect
mustn't I have been equalling? mustn't you have been equalling? mustn't he have been equalling? mustn't we have been equalling? mustn't you have been equalling? mustn't they have been equalling?