I may couple you may couple she may couple we may couple you may couple they may couple
V-ing form
I may be coupling you may be coupling she may be coupling we may be coupling you may be coupling they may be coupling
Perfect
I may have coupled you may have coupled she may have coupled we may have coupled you may have coupled they may have coupled
V-ing perfect
I may have been coupling you may have been coupling she may have been coupling we may have been coupling you may have been coupling they may have been coupling
Negation
Simple form
I mayn't couple you mayn't couple she mayn't couple we mayn't couple you mayn't couple they mayn't couple
V-ing form
I mayn't be coupling you mayn't be coupling she mayn't be coupling we mayn't be coupling you mayn't be coupling they mayn't be coupling
Perfect
I mayn't have coupled you mayn't have coupled she mayn't have coupled we mayn't have coupled you mayn't have coupled they mayn't have coupled
V-ing perfect
I mayn't have been coupling you mayn't have been coupling she mayn't have been coupling we mayn't have been coupling you mayn't have been coupling they mayn't have been coupling
Interrogative form
Simple form
may I couple? may you couple? may she couple? may we couple? may you couple? may they couple?
V-ing form
may I be coupling? may you be coupling? may she be coupling? may we be coupling? may you be coupling? may they be coupling?
Perfect
may I have coupled? may you have coupled? may she have coupled? may we have coupled? may you have coupled? may they have coupled?
V-ing perfect
may I have been coupling? may you have been coupling? may she have been coupling? may we have been coupling? may you have been coupling? may they have been coupling?
Interro-negative form
Simple form
mayn't I couple? mayn't you couple? mayn't she couple? mayn't we couple? mayn't you couple? mayn't they couple?
V-ing form
mayn't I be coupling? mayn't you be coupling? mayn't she be coupling? mayn't we be coupling? mayn't you be coupling? mayn't they be coupling?
Perfect
mayn't I have coupled? mayn't you have coupled? mayn't she have coupled? mayn't we have coupled? mayn't you have coupled? mayn't they have coupled?
V-ing perfect
mayn't I have been coupling? mayn't you have been coupling? mayn't she have been coupling? mayn't we have been coupling? mayn't you have been coupling? mayn't they have been coupling?