English verb conjugation
MAY GRIEVE

Regular verb: grieve - grieved - grieved

Affirmation

Simple form	V-ing form
I may grieve you may grieve she may grieve we may grieve you may grieve they may grieve	I may be grieving you may be grieving she may be grieving we may be grieving you may be grieving they may be grieving
Perfect	V-ing perfect
I may have grieved you may have grieved she may have grieved we may have grieved you may have grieved they may have grieved	I may have been grieving you may have been grieving she may have been grieving we may have been grieving you may have been grieving they may have been grieving

Negation

Simple form	V-ing form
I mayn't grieve you mayn't grieve she mayn't grieve we mayn't grieve you mayn't grieve they mayn't grieve	I mayn't be grieving you mayn't be grieving she mayn't be grieving we mayn't be grieving you mayn't be grieving they mayn't be grieving
Perfect	V-ing perfect
I mayn't have grieved you mayn't have grieved she mayn't have grieved we mayn't have grieved you mayn't have grieved they mayn't have grieved	I mayn't have been grieving you mayn't have been grieving she mayn't have been grieving we mayn't have been grieving you mayn't have been grieving they mayn't have been grieving

Interrogative form

Simple form	V-ing form
may I grieve? may you grieve? may she grieve? may we grieve? may you grieve? may they grieve?	may I be grieving? may you be grieving? may she be grieving? may we be grieving? may you be grieving? may they be grieving?
Perfect	V-ing perfect
may I have grieved? may you have grieved? may she have grieved? may we have grieved? may you have grieved? may they have grieved?	may I have been grieving? may you have been grieving? may she have been grieving? may we have been grieving? may you have been grieving? may they have been grieving?

Interro-negative form

Simple form	V-ing form
mayn't I grieve? mayn't you grieve? mayn't she grieve? mayn't we grieve? mayn't you grieve? mayn't they grieve?	mayn't I be grieving? mayn't you be grieving? mayn't she be grieving? mayn't we be grieving? mayn't you be grieving? mayn't they be grieving?
Perfect	V-ing perfect
mayn't I have grieved? mayn't you have grieved? mayn't she have grieved? mayn't we have grieved? mayn't you have grieved? mayn't they have grieved?	mayn't I have been grieving? mayn't you have been grieving? mayn't she have been grieving? mayn't we have been grieving? mayn't you have been grieving? mayn't they have been grieving?