I may poison you may poison he may poison we may poison you may poison they may poison
V-ing form
I may be poisoning you may be poisoning he may be poisoning we may be poisoning you may be poisoning they may be poisoning
Perfect
I may have poisoned you may have poisoned he may have poisoned we may have poisoned you may have poisoned they may have poisoned
V-ing perfect
I may have been poisoning you may have been poisoning he may have been poisoning we may have been poisoning you may have been poisoning they may have been poisoning
Negation
Simple form
I may not poison you may not poison he may not poison we may not poison you may not poison they may not poison
V-ing form
I may not be poisoning you may not be poisoning he may not be poisoning we may not be poisoning you may not be poisoning they may not be poisoning
Perfect
I may not have poisoned you may not have poisoned he may not have poisoned we may not have poisoned you may not have poisoned they may not have poisoned
V-ing perfect
I may not have been poisoning you may not have been poisoning he may not have been poisoning we may not have been poisoning you may not have been poisoning they may not have been poisoning
Interrogative form
Simple form
may I poison? may you poison? may he poison? may we poison? may you poison? may they poison?
V-ing form
may I be poisoning? may you be poisoning? may he be poisoning? may we be poisoning? may you be poisoning? may they be poisoning?
Perfect
may I have poisoned? may you have poisoned? may he have poisoned? may we have poisoned? may you have poisoned? may they have poisoned?
V-ing perfect
may I have been poisoning? may you have been poisoning? may he have been poisoning? may we have been poisoning? may you have been poisoning? may they have been poisoning?
Interro-negative form
Simple form
may I not poison? may you not poison? may he not poison? may we not poison? may you not poison? may they not poison?
V-ing form
may I not be poisoning? may you not be poisoning? may he not be poisoning? may we not be poisoning? may you not be poisoning? may they not be poisoning?
Perfect
may I not have poisoned? may you not have poisoned? may he not have poisoned? may we not have poisoned? may you not have poisoned? may they not have poisoned?
V-ing perfect
may I not have been poisoning? may you not have been poisoning? may he not have been poisoning? may we not have been poisoning? may you not have been poisoning? may they not have been poisoning?