English verb conjugation
MUST SWIG

Regular verb: swig - swigged - swigged

Affirmation

Simple form	V-ing form
I must swig you must swig he must swig we must swig you must swig they must swig	I must be swigging you must be swigging he must be swigging we must be swigging you must be swigging they must be swigging
Perfect	V-ing perfect
I must have swigged you must have swigged he must have swigged we must have swigged you must have swigged they must have swigged	I must have been swigging you must have been swigging he must have been swigging we must have been swigging you must have been swigging they must have been swigging

Negation

Simple form	V-ing form
I mustn't swig you mustn't swig he mustn't swig we mustn't swig you mustn't swig they mustn't swig	I mustn't be swigging you mustn't be swigging he mustn't be swigging we mustn't be swigging you mustn't be swigging they mustn't be swigging
Perfect	V-ing perfect
I mustn't have swigged you mustn't have swigged he mustn't have swigged we mustn't have swigged you mustn't have swigged they mustn't have swigged	I mustn't have been swigging you mustn't have been swigging he mustn't have been swigging we mustn't have been swigging you mustn't have been swigging they mustn't have been swigging

Interrogative form

Simple form	V-ing form
must I swig? must you swig? must he swig? must we swig? must you swig? must they swig?	must I be swigging? must you be swigging? must he be swigging? must we be swigging? must you be swigging? must they be swigging?
Perfect	V-ing perfect
must I have swigged? must you have swigged? must he have swigged? must we have swigged? must you have swigged? must they have swigged?	must I have been swigging? must you have been swigging? must he have been swigging? must we have been swigging? must you have been swigging? must they have been swigging?

Interro-negative form

Simple form	V-ing form
mustn't I swig? mustn't you swig? mustn't he swig? mustn't we swig? mustn't you swig? mustn't they swig?	mustn't I be swigging? mustn't you be swigging? mustn't he be swigging? mustn't we be swigging? mustn't you be swigging? mustn't they be swigging?
Perfect	V-ing perfect
mustn't I have swigged? mustn't you have swigged? mustn't he have swigged? mustn't we have swigged? mustn't you have swigged? mustn't they have swigged?	mustn't I have been swigging? mustn't you have been swigging? mustn't he have been swigging? mustn't we have been swigging? mustn't you have been swigging? mustn't they have been swigging?