English verb conjugation
MUST CLAM

Regular verb: clam - clamed - clamed

Affirmation

Simple form	V-ing form
I must clam you must clam he must clam we must clam you must clam they must clam	I must be claming you must be claming he must be claming we must be claming you must be claming they must be claming
Perfect	V-ing perfect
I must have clamed you must have clamed he must have clamed we must have clamed you must have clamed they must have clamed	I must have been claming you must have been claming he must have been claming we must have been claming you must have been claming they must have been claming

Negation

Simple form	V-ing form
I mustn't clam you mustn't clam he mustn't clam we mustn't clam you mustn't clam they mustn't clam	I mustn't be claming you mustn't be claming he mustn't be claming we mustn't be claming you mustn't be claming they mustn't be claming
Perfect	V-ing perfect
I mustn't have clamed you mustn't have clamed he mustn't have clamed we mustn't have clamed you mustn't have clamed they mustn't have clamed	I mustn't have been claming you mustn't have been claming he mustn't have been claming we mustn't have been claming you mustn't have been claming they mustn't have been claming

Interrogative form

Simple form	V-ing form
must I clam? must you clam? must he clam? must we clam? must you clam? must they clam?	must I be claming? must you be claming? must he be claming? must we be claming? must you be claming? must they be claming?
Perfect	V-ing perfect
must I have clamed? must you have clamed? must he have clamed? must we have clamed? must you have clamed? must they have clamed?	must I have been claming? must you have been claming? must he have been claming? must we have been claming? must you have been claming? must they have been claming?

Interro-negative form

Simple form	V-ing form
mustn't I clam? mustn't you clam? mustn't he clam? mustn't we clam? mustn't you clam? mustn't they clam?	mustn't I be claming? mustn't you be claming? mustn't he be claming? mustn't we be claming? mustn't you be claming? mustn't they be claming?
Perfect	V-ing perfect
mustn't I have clamed? mustn't you have clamed? mustn't he have clamed? mustn't we have clamed? mustn't you have clamed? mustn't they have clamed?	mustn't I have been claming? mustn't you have been claming? mustn't he have been claming? mustn't we have been claming? mustn't you have been claming? mustn't they have been claming?