English verb conjugation
MUST HARM

Regular verb: harm - harmed - harmed

Affirmation

Simple form	V-ing form
I must harm you must harm he must harm we must harm you must harm they must harm	I must be harming you must be harming he 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 he 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 he 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 he 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 he 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 he 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 he 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 he harm? must we harm? must you harm? must they harm?	must I be harming? must you be harming? must he 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 he 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 he 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 he 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 he 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 he 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 he not have been harming? must we not have been harming? must you not have been harming? must they not have been harming?