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