must harass
Regular verb: harass - harassed- harassed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must harass
you must harass
she must harass
we must harass
you must harass
they must harass 	I must be harassing
you must be harassing
she must be harassing
we must be harassing
you must be harassing
they must be harassing	I must have harassed
you must have harassed
she must have harassed
we must have harassed
you must have harassed
they must have harassed	I must have been harassing
you must have been harassing
she must have been harassing
we must have been harassing
you must have been harassing
they must have been harassing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't harass
you mustn't harass
she mustn't harass
we mustn't harass
you mustn't harass
they mustn't harass 	I mustn't be harassing
you mustn't be harassing
she mustn't be harassing
we mustn't be harassing
you mustn't be harassing
they mustn't be harassing	I mustn't have harassed
you mustn't have harassed
she mustn't have harassed
we mustn't have harassed
you mustn't have harassed
they mustn't have harassed	I mustn't have been harassing
you mustn't have been harassing
she mustn't have been harassing
we mustn't have been harassing
you mustn't have been harassing
they mustn't have been harassing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I harass?
must you harass?
must she harass?
must we harass?
must you harass?
must they harass? 	must I be harassing?
must you be harassing?
must she be harassing?
must we be harassing?
must you be harassing?
must they be harassing? 	must I have harassed?
must you have harassed?
must she have harassed?
must we have harassed?
must you have harassed?
must they have harassed? 	must I have been harassing?
must you have been harassing?
must she have been harassing?
must we have been harassing?
must you have been harassing?
must they have been harassing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I harass?
mustn't you harass?
mustn't she harass?
mustn't we harass?
mustn't you harass?
mustn't they harass? 	mustn't I be harassing?
mustn't you be harassing?
mustn't she be harassing?
mustn't we be harassing?
mustn't you be harassing?
mustn't they be harassing? 	mustn't I have harassed?
mustn't you have harassed?
mustn't she have harassed?
mustn't we have harassed?
mustn't you have harassed?
mustn't they have harassed? 	mustn't I have been harassing?
mustn't you have been harassing?
mustn't she have been harassing?
mustn't we have been harassing?
mustn't you have been harassing?
mustn't they have been harassing?