English verb conjugation
MUST TING

Regular verb: ting - tinged - tinged

Affirmation

Simple form	V-ing form
I must ting you must ting she must ting we must ting you must ting they must ting	I must be tinging you must be tinging she must be tinging we must be tinging you must be tinging they must be tinging
Perfect	V-ing perfect
I must have tinged you must have tinged she must have tinged we must have tinged you must have tinged they must have tinged	I must have been tinging you must have been tinging she must have been tinging we must have been tinging you must have been tinging they must have been tinging

Negation

Simple form	V-ing form
I mustn't ting you mustn't ting she mustn't ting we mustn't ting you mustn't ting they mustn't ting	I mustn't be tinging you mustn't be tinging she mustn't be tinging we mustn't be tinging you mustn't be tinging they mustn't be tinging
Perfect	V-ing perfect
I mustn't have tinged you mustn't have tinged she mustn't have tinged we mustn't have tinged you mustn't have tinged they mustn't have tinged	I mustn't have been tinging you mustn't have been tinging she mustn't have been tinging we mustn't have been tinging you mustn't have been tinging they mustn't have been tinging

Interrogative form

Simple form	V-ing form
must I ting? must you ting? must she ting? must we ting? must you ting? must they ting?	must I be tinging? must you be tinging? must she be tinging? must we be tinging? must you be tinging? must they be tinging?
Perfect	V-ing perfect
must I have tinged? must you have tinged? must she have tinged? must we have tinged? must you have tinged? must they have tinged?	must I have been tinging? must you have been tinging? must she have been tinging? must we have been tinging? must you have been tinging? must they have been tinging?

Interro-negative form

Simple form	V-ing form
mustn't I ting? mustn't you ting? mustn't she ting? mustn't we ting? mustn't you ting? mustn't they ting?	mustn't I be tinging? mustn't you be tinging? mustn't she be tinging? mustn't we be tinging? mustn't you be tinging? mustn't they be tinging?
Perfect	V-ing perfect
mustn't I have tinged? mustn't you have tinged? mustn't she have tinged? mustn't we have tinged? mustn't you have tinged? mustn't they have tinged?	mustn't I have been tinging? mustn't you have been tinging? mustn't she have been tinging? mustn't we have been tinging? mustn't you have been tinging? mustn't they have been tinging?