I may roadblock you may roadblock he may roadblock we may roadblock you may roadblock they may roadblock
V-ing form
I may be roadblocking you may be roadblocking he may be roadblocking we may be roadblocking you may be roadblocking they may be roadblocking
Perfect
I may have roadblocked you may have roadblocked he may have roadblocked we may have roadblocked you may have roadblocked they may have roadblocked
V-ing perfect
I may have been roadblocking you may have been roadblocking he may have been roadblocking we may have been roadblocking you may have been roadblocking they may have been roadblocking
Negation
Simple form
I may not roadblock you may not roadblock he may not roadblock we may not roadblock you may not roadblock they may not roadblock
V-ing form
I may not be roadblocking you may not be roadblocking he may not be roadblocking we may not be roadblocking you may not be roadblocking they may not be roadblocking
Perfect
I may not have roadblocked you may not have roadblocked he may not have roadblocked we may not have roadblocked you may not have roadblocked they may not have roadblocked
V-ing perfect
I may not have been roadblocking you may not have been roadblocking he may not have been roadblocking we may not have been roadblocking you may not have been roadblocking they may not have been roadblocking
Interrogative form
Simple form
may I roadblock? may you roadblock? may he roadblock? may we roadblock? may you roadblock? may they roadblock?
V-ing form
may I be roadblocking? may you be roadblocking? may he be roadblocking? may we be roadblocking? may you be roadblocking? may they be roadblocking?
Perfect
may I have roadblocked? may you have roadblocked? may he have roadblocked? may we have roadblocked? may you have roadblocked? may they have roadblocked?
V-ing perfect
may I have been roadblocking? may you have been roadblocking? may he have been roadblocking? may we have been roadblocking? may you have been roadblocking? may they have been roadblocking?
Interro-negative form
Simple form
may I not roadblock? may you not roadblock? may he not roadblock? may we not roadblock? may you not roadblock? may they not roadblock?
V-ing form
may I not be roadblocking? may you not be roadblocking? may he not be roadblocking? may we not be roadblocking? may you not be roadblocking? may they not be roadblocking?
Perfect
may I not have roadblocked? may you not have roadblocked? may he not have roadblocked? may we not have roadblocked? may you not have roadblocked? may they not have roadblocked?
V-ing perfect
may I not have been roadblocking? may you not have been roadblocking? may he not have been roadblocking? may we not have been roadblocking? may you not have been roadblocking? may they not have been roadblocking?