English verb conjugation
MAY ROOST

Regular verb: roost - roosted - roosted

Affirmation

Simple form	V-ing form
I may roost you may roost he may roost we may roost you may roost they may roost	I may be roosting you may be roosting he may be roosting we may be roosting you may be roosting they may be roosting
Perfect	V-ing perfect
I may have roosted you may have roosted he may have roosted we may have roosted you may have roosted they may have roosted	I may have been roosting you may have been roosting he may have been roosting we may have been roosting you may have been roosting they may have been roosting

Negation

Simple form	V-ing form
I mayn't roost you mayn't roost he mayn't roost we mayn't roost you mayn't roost they mayn't roost	I mayn't be roosting you mayn't be roosting he mayn't be roosting we mayn't be roosting you mayn't be roosting they mayn't be roosting
Perfect	V-ing perfect
I mayn't have roosted you mayn't have roosted he mayn't have roosted we mayn't have roosted you mayn't have roosted they mayn't have roosted	I mayn't have been roosting you mayn't have been roosting he mayn't have been roosting we mayn't have been roosting you mayn't have been roosting they mayn't have been roosting

Interrogative form

Simple form	V-ing form
may I roost? may you roost? may he roost? may we roost? may you roost? may they roost?	may I be roosting? may you be roosting? may he be roosting? may we be roosting? may you be roosting? may they be roosting?
Perfect	V-ing perfect
may I have roosted? may you have roosted? may he have roosted? may we have roosted? may you have roosted? may they have roosted?	may I have been roosting? may you have been roosting? may he have been roosting? may we have been roosting? may you have been roosting? may they have been roosting?

Interro-negative form

Simple form	V-ing form
mayn't I roost? mayn't you roost? mayn't he roost? mayn't we roost? mayn't you roost? mayn't they roost?	mayn't I be roosting? mayn't you be roosting? mayn't he be roosting? mayn't we be roosting? mayn't you be roosting? mayn't they be roosting?
Perfect	V-ing perfect
mayn't I have roosted? mayn't you have roosted? mayn't he have roosted? mayn't we have roosted? mayn't you have roosted? mayn't they have roosted?	mayn't I have been roosting? mayn't you have been roosting? mayn't he have been roosting? mayn't we have been roosting? mayn't you have been roosting? mayn't they have been roosting?