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