English verb conjugation
MAY CHAIR

Regular verb: chair - chaired - chaired

Affirmation

Simple form	V-ing form
I may chair you may chair he may chair we may chair you may chair they may chair	I may be chairing you may be chairing he may be chairing we may be chairing you may be chairing they may be chairing
Perfect	V-ing perfect
I may have chaired you may have chaired he may have chaired we may have chaired you may have chaired they may have chaired	I may have been chairing you may have been chairing he may have been chairing we may have been chairing you may have been chairing they may have been chairing

Negation

Simple form	V-ing form
I mayn't chair you mayn't chair he mayn't chair we mayn't chair you mayn't chair they mayn't chair	I mayn't be chairing you mayn't be chairing he mayn't be chairing we mayn't be chairing you mayn't be chairing they mayn't be chairing
Perfect	V-ing perfect
I mayn't have chaired you mayn't have chaired he mayn't have chaired we mayn't have chaired you mayn't have chaired they mayn't have chaired	I mayn't have been chairing you mayn't have been chairing he mayn't have been chairing we mayn't have been chairing you mayn't have been chairing they mayn't have been chairing

Interrogative form

Simple form	V-ing form
may I chair? may you chair? may he chair? may we chair? may you chair? may they chair?	may I be chairing? may you be chairing? may he be chairing? may we be chairing? may you be chairing? may they be chairing?
Perfect	V-ing perfect
may I have chaired? may you have chaired? may he have chaired? may we have chaired? may you have chaired? may they have chaired?	may I have been chairing? may you have been chairing? may he have been chairing? may we have been chairing? may you have been chairing? may they have been chairing?

Interro-negative form

Simple form	V-ing form
mayn't I chair? mayn't you chair? mayn't he chair? mayn't we chair? mayn't you chair? mayn't they chair?	mayn't I be chairing? mayn't you be chairing? mayn't he be chairing? mayn't we be chairing? mayn't you be chairing? mayn't they be chairing?
Perfect	V-ing perfect
mayn't I have chaired? mayn't you have chaired? mayn't he have chaired? mayn't we have chaired? mayn't you have chaired? mayn't they have chaired?	mayn't I have been chairing? mayn't you have been chairing? mayn't he have been chairing? mayn't we have been chairing? mayn't you have been chairing? mayn't they have been chairing?