English verb conjugation
MUST HARM

Regular verb: harm - harmed - harmed

Affirmation

Simple form	V-ing form
I must harm you must harm she must harm we must harm you must harm they must harm	I must be harming you must be harming she must be harming we must be harming you must be harming they must be harming
Perfect	V-ing perfect
I must have harmed you must have harmed she must have harmed we must have harmed you must have harmed they must have harmed	I must have been harming you must have been harming she must have been harming we must have been harming you must have been harming they must have been harming

Negation

Simple form	V-ing form
I must not harm you must not harm she must not harm we must not harm you must not harm they must not harm	I must not be harming you must not be harming she must not be harming we must not be harming you must not be harming they must not be harming
Perfect	V-ing perfect
I must not have harmed you must not have harmed she must not have harmed we must not have harmed you must not have harmed they must not have harmed	I must not have been harming you must not have been harming she must not have been harming we must not have been harming you must not have been harming they must not have been harming

Interrogative form

Simple form	V-ing form
must I harm? must you harm? must she harm? must we harm? must you harm? must they harm?	must I be harming? must you be harming? must she be harming? must we be harming? must you be harming? must they be harming?
Perfect	V-ing perfect
must I have harmed? must you have harmed? must she have harmed? must we have harmed? must you have harmed? must they have harmed?	must I have been harming? must you have been harming? must she have been harming? must we have been harming? must you have been harming? must they have been harming?

Interro-negative form

Simple form	V-ing form
must I not harm? must you not harm? must she not harm? must we not harm? must you not harm? must they not harm?	must I not be harming? must you not be harming? must she not be harming? must we not be harming? must you not be harming? must they not be harming?
Perfect	V-ing perfect
must I not have harmed? must you not have harmed? must she not have harmed? must we not have harmed? must you not have harmed? must they not have harmed?	must I not have been harming? must you not have been harming? must she not have been harming? must we not have been harming? must you not have been harming? must they not have been harming?