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 mayn't roadblock you mayn't roadblock he mayn't roadblock we mayn't roadblock you mayn't roadblock they mayn't roadblock
V-ing form
I mayn't be roadblocking you mayn't be roadblocking he mayn't be roadblocking we mayn't be roadblocking you mayn't be roadblocking they mayn't be roadblocking
Perfect
I mayn't have roadblocked you mayn't have roadblocked he mayn't have roadblocked we mayn't have roadblocked you mayn't have roadblocked they mayn't have roadblocked
V-ing perfect
I mayn't have been roadblocking you mayn't have been roadblocking he mayn't have been roadblocking we mayn't have been roadblocking you mayn't have been roadblocking they mayn't 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
mayn't I roadblock? mayn't you roadblock? mayn't he roadblock? mayn't we roadblock? mayn't you roadblock? mayn't they roadblock?
V-ing form
mayn't I be roadblocking? mayn't you be roadblocking? mayn't he be roadblocking? mayn't we be roadblocking? mayn't you be roadblocking? mayn't they be roadblocking?
Perfect
mayn't I have roadblocked? mayn't you have roadblocked? mayn't he have roadblocked? mayn't we have roadblocked? mayn't you have roadblocked? mayn't they have roadblocked?
V-ing perfect
mayn't I have been roadblocking? mayn't you have been roadblocking? mayn't he have been roadblocking? mayn't we have been roadblocking? mayn't you have been roadblocking? mayn't they have been roadblocking?