English verb conjugation
MUST TWANG

Regular verb: twang - twanged - twanged

Affirmation

Simple form	V-ing form
I must twang you must twang he must twang we must twang you must twang they must twang	I must be twanging you must be twanging he must be twanging we must be twanging you must be twanging they must be twanging
Perfect	V-ing perfect
I must have twanged you must have twanged he must have twanged we must have twanged you must have twanged they must have twanged	I must have been twanging you must have been twanging he must have been twanging we must have been twanging you must have been twanging they must have been twanging

Negation

Simple form	V-ing form
I mustn't twang you mustn't twang he mustn't twang we mustn't twang you mustn't twang they mustn't twang	I mustn't be twanging you mustn't be twanging he mustn't be twanging we mustn't be twanging you mustn't be twanging they mustn't be twanging
Perfect	V-ing perfect
I mustn't have twanged you mustn't have twanged he mustn't have twanged we mustn't have twanged you mustn't have twanged they mustn't have twanged	I mustn't have been twanging you mustn't have been twanging he mustn't have been twanging we mustn't have been twanging you mustn't have been twanging they mustn't have been twanging

Interrogative form

Simple form	V-ing form
must I twang? must you twang? must he twang? must we twang? must you twang? must they twang?	must I be twanging? must you be twanging? must he be twanging? must we be twanging? must you be twanging? must they be twanging?
Perfect	V-ing perfect
must I have twanged? must you have twanged? must he have twanged? must we have twanged? must you have twanged? must they have twanged?	must I have been twanging? must you have been twanging? must he have been twanging? must we have been twanging? must you have been twanging? must they have been twanging?

Interro-negative form

Simple form	V-ing form
mustn't I twang? mustn't you twang? mustn't he twang? mustn't we twang? mustn't you twang? mustn't they twang?	mustn't I be twanging? mustn't you be twanging? mustn't he be twanging? mustn't we be twanging? mustn't you be twanging? mustn't they be twanging?
Perfect	V-ing perfect
mustn't I have twanged? mustn't you have twanged? mustn't he have twanged? mustn't we have twanged? mustn't you have twanged? mustn't they have twanged?	mustn't I have been twanging? mustn't you have been twanging? mustn't he have been twanging? mustn't we have been twanging? mustn't you have been twanging? mustn't they have been twanging?