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