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 mustn't harm you mustn't harm she mustn't harm we mustn't harm you mustn't harm they mustn't harm	I mustn't be harming you mustn't be harming she mustn't be harming we mustn't be harming you mustn't be harming they mustn't be harming
Perfect	V-ing perfect
I mustn't have harmed you mustn't have harmed she mustn't have harmed we mustn't have harmed you mustn't have harmed they mustn't have harmed	I mustn't have been harming you mustn't have been harming she mustn't have been harming we mustn't have been harming you mustn't have been harming they mustn't 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
mustn't I harm? mustn't you harm? mustn't she harm? mustn't we harm? mustn't you harm? mustn't they harm?	mustn't I be harming? mustn't you be harming? mustn't she be harming? mustn't we be harming? mustn't you be harming? mustn't they be harming?
Perfect	V-ing perfect
mustn't I have harmed? mustn't you have harmed? mustn't she have harmed? mustn't we have harmed? mustn't you have harmed? mustn't they have harmed?	mustn't I have been harming? mustn't you have been harming? mustn't she have been harming? mustn't we have been harming? mustn't you have been harming? mustn't they have been harming?