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