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