English verb conjugation
MUST SWILL

Regular verb: swill - swilled - swilled

Affirmation

Simple form	V-ing form
I must swill you must swill he must swill we must swill you must swill they must swill	I must be swilling you must be swilling he must be swilling we must be swilling you must be swilling they must be swilling
Perfect	V-ing perfect
I must have swilled you must have swilled he must have swilled we must have swilled you must have swilled they must have swilled	I must have been swilling you must have been swilling he must have been swilling we must have been swilling you must have been swilling they must have been swilling

Negation

Simple form	V-ing form
I mustn't swill you mustn't swill he mustn't swill we mustn't swill you mustn't swill they mustn't swill	I mustn't be swilling you mustn't be swilling he mustn't be swilling we mustn't be swilling you mustn't be swilling they mustn't be swilling
Perfect	V-ing perfect
I mustn't have swilled you mustn't have swilled he mustn't have swilled we mustn't have swilled you mustn't have swilled they mustn't have swilled	I mustn't have been swilling you mustn't have been swilling he mustn't have been swilling we mustn't have been swilling you mustn't have been swilling they mustn't have been swilling

Interrogative form

Simple form	V-ing form
must I swill? must you swill? must he swill? must we swill? must you swill? must they swill?	must I be swilling? must you be swilling? must he be swilling? must we be swilling? must you be swilling? must they be swilling?
Perfect	V-ing perfect
must I have swilled? must you have swilled? must he have swilled? must we have swilled? must you have swilled? must they have swilled?	must I have been swilling? must you have been swilling? must he have been swilling? must we have been swilling? must you have been swilling? must they have been swilling?

Interro-negative form

Simple form	V-ing form
mustn't I swill? mustn't you swill? mustn't he swill? mustn't we swill? mustn't you swill? mustn't they swill?	mustn't I be swilling? mustn't you be swilling? mustn't he be swilling? mustn't we be swilling? mustn't you be swilling? mustn't they be swilling?
Perfect	V-ing perfect
mustn't I have swilled? mustn't you have swilled? mustn't he have swilled? mustn't we have swilled? mustn't you have swilled? mustn't they have swilled?	mustn't I have been swilling? mustn't you have been swilling? mustn't he have been swilling? mustn't we have been swilling? mustn't you have been swilling? mustn't they have been swilling?