could harass
Regular verb: harass - harassed- harassed

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

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

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

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