English verb conjugation
MUST AMPUTATE

Regular verb: amputate - amputated - amputated

Affirmation

Simple form	V-ing form
I must amputate you must amputate he must amputate we must amputate you must amputate they must amputate	I must be amputating you must be amputating he must be amputating we must be amputating you must be amputating they must be amputating
Perfect	V-ing perfect
I must have amputated you must have amputated he must have amputated we must have amputated you must have amputated they must have amputated	I must have been amputating you must have been amputating he must have been amputating we must have been amputating you must have been amputating they must have been amputating

Negation

Simple form	V-ing form
I mustn't amputate you mustn't amputate he mustn't amputate we mustn't amputate you mustn't amputate they mustn't amputate	I mustn't be amputating you mustn't be amputating he mustn't be amputating we mustn't be amputating you mustn't be amputating they mustn't be amputating
Perfect	V-ing perfect
I mustn't have amputated you mustn't have amputated he mustn't have amputated we mustn't have amputated you mustn't have amputated they mustn't have amputated	I mustn't have been amputating you mustn't have been amputating he mustn't have been amputating we mustn't have been amputating you mustn't have been amputating they mustn't have been amputating

Interrogative form

Simple form	V-ing form
must I amputate? must you amputate? must he amputate? must we amputate? must you amputate? must they amputate?	must I be amputating? must you be amputating? must he be amputating? must we be amputating? must you be amputating? must they be amputating?
Perfect	V-ing perfect
must I have amputated? must you have amputated? must he have amputated? must we have amputated? must you have amputated? must they have amputated?	must I have been amputating? must you have been amputating? must he have been amputating? must we have been amputating? must you have been amputating? must they have been amputating?

Interro-negative form

Simple form	V-ing form
mustn't I amputate? mustn't you amputate? mustn't he amputate? mustn't we amputate? mustn't you amputate? mustn't they amputate?	mustn't I be amputating? mustn't you be amputating? mustn't he be amputating? mustn't we be amputating? mustn't you be amputating? mustn't they be amputating?
Perfect	V-ing perfect
mustn't I have amputated? mustn't you have amputated? mustn't he have amputated? mustn't we have amputated? mustn't you have amputated? mustn't they have amputated?	mustn't I have been amputating? mustn't you have been amputating? mustn't he have been amputating? mustn't we have been amputating? mustn't you have been amputating? mustn't they have been amputating?