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