English verb conjugation
MUST DEVASTATE

Regular verb: devastate - devastated - devastated

Affirmation

Simple form	V-ing form
I must devastate you must devastate she must devastate we must devastate you must devastate they must devastate	I must be devastating you must be devastating she must be devastating we must be devastating you must be devastating they must be devastating
Perfect	V-ing perfect
I must have devastated you must have devastated she must have devastated we must have devastated you must have devastated they must have devastated	I must have been devastating you must have been devastating she must have been devastating we must have been devastating you must have been devastating they must have been devastating

Negation

Simple form	V-ing form
I must not devastate you must not devastate she must not devastate we must not devastate you must not devastate they must not devastate	I must not be devastating you must not be devastating she must not be devastating we must not be devastating you must not be devastating they must not be devastating
Perfect	V-ing perfect
I must not have devastated you must not have devastated she must not have devastated we must not have devastated you must not have devastated they must not have devastated	I must not have been devastating you must not have been devastating she must not have been devastating we must not have been devastating you must not have been devastating they must not have been devastating

Interrogative form

Simple form	V-ing form
must I devastate? must you devastate? must she devastate? must we devastate? must you devastate? must they devastate?	must I be devastating? must you be devastating? must she be devastating? must we be devastating? must you be devastating? must they be devastating?
Perfect	V-ing perfect
must I have devastated? must you have devastated? must she have devastated? must we have devastated? must you have devastated? must they have devastated?	must I have been devastating? must you have been devastating? must she have been devastating? must we have been devastating? must you have been devastating? must they have been devastating?

Interro-negative form

Simple form	V-ing form
must I not devastate? must you not devastate? must she not devastate? must we not devastate? must you not devastate? must they not devastate?	must I not be devastating? must you not be devastating? must she not be devastating? must we not be devastating? must you not be devastating? must they not be devastating?
Perfect	V-ing perfect
must I not have devastated? must you not have devastated? must she not have devastated? must we not have devastated? must you not have devastated? must they not have devastated?	must I not have been devastating? must you not have been devastating? must she not have been devastating? must we not have been devastating? must you not have been devastating? must they not have been devastating?