I may scaffold you may scaffold he may scaffold we may scaffold you may scaffold they may scaffold
V-ing form
I may be scaffolding you may be scaffolding he may be scaffolding we may be scaffolding you may be scaffolding they may be scaffolding
Perfect
I may have scaffolded you may have scaffolded he may have scaffolded we may have scaffolded you may have scaffolded they may have scaffolded
V-ing perfect
I may have been scaffolding you may have been scaffolding he may have been scaffolding we may have been scaffolding you may have been scaffolding they may have been scaffolding
Negation
Simple form
I mayn't scaffold you mayn't scaffold he mayn't scaffold we mayn't scaffold you mayn't scaffold they mayn't scaffold
V-ing form
I mayn't be scaffolding you mayn't be scaffolding he mayn't be scaffolding we mayn't be scaffolding you mayn't be scaffolding they mayn't be scaffolding
Perfect
I mayn't have scaffolded you mayn't have scaffolded he mayn't have scaffolded we mayn't have scaffolded you mayn't have scaffolded they mayn't have scaffolded
V-ing perfect
I mayn't have been scaffolding you mayn't have been scaffolding he mayn't have been scaffolding we mayn't have been scaffolding you mayn't have been scaffolding they mayn't have been scaffolding
Interrogative form
Simple form
may I scaffold? may you scaffold? may he scaffold? may we scaffold? may you scaffold? may they scaffold?
V-ing form
may I be scaffolding? may you be scaffolding? may he be scaffolding? may we be scaffolding? may you be scaffolding? may they be scaffolding?
Perfect
may I have scaffolded? may you have scaffolded? may he have scaffolded? may we have scaffolded? may you have scaffolded? may they have scaffolded?
V-ing perfect
may I have been scaffolding? may you have been scaffolding? may he have been scaffolding? may we have been scaffolding? may you have been scaffolding? may they have been scaffolding?
Interro-negative form
Simple form
mayn't I scaffold? mayn't you scaffold? mayn't he scaffold? mayn't we scaffold? mayn't you scaffold? mayn't they scaffold?
V-ing form
mayn't I be scaffolding? mayn't you be scaffolding? mayn't he be scaffolding? mayn't we be scaffolding? mayn't you be scaffolding? mayn't they be scaffolding?
Perfect
mayn't I have scaffolded? mayn't you have scaffolded? mayn't he have scaffolded? mayn't we have scaffolded? mayn't you have scaffolded? mayn't they have scaffolded?
V-ing perfect
mayn't I have been scaffolding? mayn't you have been scaffolding? mayn't he have been scaffolding? mayn't we have been scaffolding? mayn't you have been scaffolding? mayn't they have been scaffolding?