English verb conjugation
MUST SULFATE

Regular verb: sulfate - sulfated - sulfated

Affirmation

Simple form	V-ing form
I must sulfate you must sulfate she must sulfate we must sulfate you must sulfate they must sulfate	I must be sulfating you must be sulfating she must be sulfating we must be sulfating you must be sulfating they must be sulfating
Perfect	V-ing perfect
I must have sulfated you must have sulfated she must have sulfated we must have sulfated you must have sulfated they must have sulfated	I must have been sulfating you must have been sulfating she must have been sulfating we must have been sulfating you must have been sulfating they must have been sulfating

Negation

Simple form	V-ing form
I must not sulfate you must not sulfate she must not sulfate we must not sulfate you must not sulfate they must not sulfate	I must not be sulfating you must not be sulfating she must not be sulfating we must not be sulfating you must not be sulfating they must not be sulfating
Perfect	V-ing perfect
I must not have sulfated you must not have sulfated she must not have sulfated we must not have sulfated you must not have sulfated they must not have sulfated	I must not have been sulfating you must not have been sulfating she must not have been sulfating we must not have been sulfating you must not have been sulfating they must not have been sulfating

Interrogative form

Simple form	V-ing form
must I sulfate? must you sulfate? must she sulfate? must we sulfate? must you sulfate? must they sulfate?	must I be sulfating? must you be sulfating? must she be sulfating? must we be sulfating? must you be sulfating? must they be sulfating?
Perfect	V-ing perfect
must I have sulfated? must you have sulfated? must she have sulfated? must we have sulfated? must you have sulfated? must they have sulfated?	must I have been sulfating? must you have been sulfating? must she have been sulfating? must we have been sulfating? must you have been sulfating? must they have been sulfating?

Interro-negative form

Simple form	V-ing form
must I not sulfate? must you not sulfate? must she not sulfate? must we not sulfate? must you not sulfate? must they not sulfate?	must I not be sulfating? must you not be sulfating? must she not be sulfating? must we not be sulfating? must you not be sulfating? must they not be sulfating?
Perfect	V-ing perfect
must I not have sulfated? must you not have sulfated? must she not have sulfated? must we not have sulfated? must you not have sulfated? must they not have sulfated?	must I not have been sulfating? must you not have been sulfating? must she not have been sulfating? must we not have been sulfating? must you not have been sulfating? must they not have been sulfating?