English verb conjugation
MUST SHILL

Regular verb: shill - shilled - shilled

Affirmation

Simple form	V-ing form
I must shill you must shill he must shill we must shill you must shill they must shill	I must be shilling you must be shilling he must be shilling we must be shilling you must be shilling they must be shilling
Perfect	V-ing perfect
I must have shilled you must have shilled he must have shilled we must have shilled you must have shilled they must have shilled	I must have been shilling you must have been shilling he must have been shilling we must have been shilling you must have been shilling they must have been shilling

Negation

Simple form	V-ing form
I mustn't shill you mustn't shill he mustn't shill we mustn't shill you mustn't shill they mustn't shill	I mustn't be shilling you mustn't be shilling he mustn't be shilling we mustn't be shilling you mustn't be shilling they mustn't be shilling
Perfect	V-ing perfect
I mustn't have shilled you mustn't have shilled he mustn't have shilled we mustn't have shilled you mustn't have shilled they mustn't have shilled	I mustn't have been shilling you mustn't have been shilling he mustn't have been shilling we mustn't have been shilling you mustn't have been shilling they mustn't have been shilling

Interrogative form

Simple form	V-ing form
must I shill? must you shill? must he shill? must we shill? must you shill? must they shill?	must I be shilling? must you be shilling? must he be shilling? must we be shilling? must you be shilling? must they be shilling?
Perfect	V-ing perfect
must I have shilled? must you have shilled? must he have shilled? must we have shilled? must you have shilled? must they have shilled?	must I have been shilling? must you have been shilling? must he have been shilling? must we have been shilling? must you have been shilling? must they have been shilling?

Interro-negative form

Simple form	V-ing form
mustn't I shill? mustn't you shill? mustn't he shill? mustn't we shill? mustn't you shill? mustn't they shill?	mustn't I be shilling? mustn't you be shilling? mustn't he be shilling? mustn't we be shilling? mustn't you be shilling? mustn't they be shilling?
Perfect	V-ing perfect
mustn't I have shilled? mustn't you have shilled? mustn't he have shilled? mustn't we have shilled? mustn't you have shilled? mustn't they have shilled?	mustn't I have been shilling? mustn't you have been shilling? mustn't he have been shilling? mustn't we have been shilling? mustn't you have been shilling? mustn't they have been shilling?