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