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