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