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