English verb conjugation
MUST LOWERCASE

Regular verb: lowercase - lowercased - lowercased

Affirmation

Simple form	V-ing form
I must lowercase you must lowercase he must lowercase we must lowercase you must lowercase they must lowercase	I must be lowercasing you must be lowercasing he must be lowercasing we must be lowercasing you must be lowercasing they must be lowercasing
Perfect	V-ing perfect
I must have lowercased you must have lowercased he must have lowercased we must have lowercased you must have lowercased they must have lowercased	I must have been lowercasing you must have been lowercasing he must have been lowercasing we must have been lowercasing you must have been lowercasing they must have been lowercasing

Negation

Simple form	V-ing form
I mustn't lowercase you mustn't lowercase he mustn't lowercase we mustn't lowercase you mustn't lowercase they mustn't lowercase	I mustn't be lowercasing you mustn't be lowercasing he mustn't be lowercasing we mustn't be lowercasing you mustn't be lowercasing they mustn't be lowercasing
Perfect	V-ing perfect
I mustn't have lowercased you mustn't have lowercased he mustn't have lowercased we mustn't have lowercased you mustn't have lowercased they mustn't have lowercased	I mustn't have been lowercasing you mustn't have been lowercasing he mustn't have been lowercasing we mustn't have been lowercasing you mustn't have been lowercasing they mustn't have been lowercasing

Interrogative form

Simple form	V-ing form
must I lowercase? must you lowercase? must he lowercase? must we lowercase? must you lowercase? must they lowercase?	must I be lowercasing? must you be lowercasing? must he be lowercasing? must we be lowercasing? must you be lowercasing? must they be lowercasing?
Perfect	V-ing perfect
must I have lowercased? must you have lowercased? must he have lowercased? must we have lowercased? must you have lowercased? must they have lowercased?	must I have been lowercasing? must you have been lowercasing? must he have been lowercasing? must we have been lowercasing? must you have been lowercasing? must they have been lowercasing?

Interro-negative form

Simple form	V-ing form
mustn't I lowercase? mustn't you lowercase? mustn't he lowercase? mustn't we lowercase? mustn't you lowercase? mustn't they lowercase?	mustn't I be lowercasing? mustn't you be lowercasing? mustn't he be lowercasing? mustn't we be lowercasing? mustn't you be lowercasing? mustn't they be lowercasing?
Perfect	V-ing perfect
mustn't I have lowercased? mustn't you have lowercased? mustn't he have lowercased? mustn't we have lowercased? mustn't you have lowercased? mustn't they have lowercased?	mustn't I have been lowercasing? mustn't you have been lowercasing? mustn't he have been lowercasing? mustn't we have been lowercasing? mustn't you have been lowercasing? mustn't they have been lowercasing?