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