English verb conjugation
MUST STRAPHANG

Regular verb: straphang - straphanged - straphanged

Affirmation

Simple form	V-ing form
I must straphang you must straphang he must straphang we must straphang you must straphang they must straphang	I must be straphanging you must be straphanging he must be straphanging we must be straphanging you must be straphanging they must be straphanging
Perfect	V-ing perfect
I must have straphanged you must have straphanged he must have straphanged we must have straphanged you must have straphanged they must have straphanged	I must have been straphanging you must have been straphanging he must have been straphanging we must have been straphanging you must have been straphanging they must have been straphanging

Negation

Simple form	V-ing form
I mustn't straphang you mustn't straphang he mustn't straphang we mustn't straphang you mustn't straphang they mustn't straphang	I mustn't be straphanging you mustn't be straphanging he mustn't be straphanging we mustn't be straphanging you mustn't be straphanging they mustn't be straphanging
Perfect	V-ing perfect
I mustn't have straphanged you mustn't have straphanged he mustn't have straphanged we mustn't have straphanged you mustn't have straphanged they mustn't have straphanged	I mustn't have been straphanging you mustn't have been straphanging he mustn't have been straphanging we mustn't have been straphanging you mustn't have been straphanging they mustn't have been straphanging

Interrogative form

Simple form	V-ing form
must I straphang? must you straphang? must he straphang? must we straphang? must you straphang? must they straphang?	must I be straphanging? must you be straphanging? must he be straphanging? must we be straphanging? must you be straphanging? must they be straphanging?
Perfect	V-ing perfect
must I have straphanged? must you have straphanged? must he have straphanged? must we have straphanged? must you have straphanged? must they have straphanged?	must I have been straphanging? must you have been straphanging? must he have been straphanging? must we have been straphanging? must you have been straphanging? must they have been straphanging?

Interro-negative form

Simple form	V-ing form
mustn't I straphang? mustn't you straphang? mustn't he straphang? mustn't we straphang? mustn't you straphang? mustn't they straphang?	mustn't I be straphanging? mustn't you be straphanging? mustn't he be straphanging? mustn't we be straphanging? mustn't you be straphanging? mustn't they be straphanging?
Perfect	V-ing perfect
mustn't I have straphanged? mustn't you have straphanged? mustn't he have straphanged? mustn't we have straphanged? mustn't you have straphanged? mustn't they have straphanged?	mustn't I have been straphanging? mustn't you have been straphanging? mustn't he have been straphanging? mustn't we have been straphanging? mustn't you have been straphanging? mustn't they have been straphanging?