I can harass you can harass she can harass we can harass you can harass they can harass
V-ing form
I can be harassing you can be harassing she can be harassing we can be harassing you can be harassing they can be harassing
Perfect
I can have harassed you can have harassed she can have harassed we can have harassed you can have harassed they can have harassed
V-ing perfect
I can have been harassing you can have been harassing she can have been harassing we can have been harassing you can have been harassing they can have been harassing
Negation
Simple form
I cannot harass you cannot harass she cannot harass we cannot harass you cannot harass they cannot harass
V-ing form
I cannot be harassing you cannot be harassing she cannot be harassing we cannot be harassing you cannot be harassing they cannot be harassing
Perfect
I cannot have harassed you cannot have harassed she cannot have harassed we cannot have harassed you cannot have harassed they cannot have harassed
V-ing perfect
I cannot have been harassing you cannot have been harassing she cannot have been harassing we cannot have been harassing you cannot have been harassing they cannot have been harassing
Interrogative form
Simple form
can I harass? can you harass? can she harass? can we harass? can you harass? can they harass?
V-ing form
can I be harassing? can you be harassing? can she be harassing? can we be harassing? can you be harassing? can they be harassing?
Perfect
can I have harassed? can you have harassed? can she have harassed? can we have harassed? can you have harassed? can they have harassed?
V-ing perfect
can I have been harassing? can you have been harassing? can she have been harassing? can we have been harassing? can you have been harassing? can they have been harassing?
Interro-negative form
Simple form
can I not harass? can you not harass? can she not harass? can we not harass? can you not harass? can they not harass?
V-ing form
can I not be harassing? can you not be harassing? can she not be harassing? can we not be harassing? can you not be harassing? can they not be harassing?
Perfect
can I not have harassed? can you not have harassed? can she not have harassed? can we not have harassed? can you not have harassed? can they not have harassed?
V-ing perfect
can I not have been harassing? can you not have been harassing? can she not have been harassing? can we not have been harassing? can you not have been harassing? can they not have been harassing?