English verb conjugation
MAY PIN

Regular verb: pin - pinned - pinned

Affirmation

Simple form	V-ing form
I may pin you may pin he may pin we may pin you may pin they may pin	I may be pinning you may be pinning he may be pinning we may be pinning you may be pinning they may be pinning
Perfect	V-ing perfect
I may have pinned you may have pinned he may have pinned we may have pinned you may have pinned they may have pinned	I may have been pinning you may have been pinning he may have been pinning we may have been pinning you may have been pinning they may have been pinning

Negation

Simple form	V-ing form
I mayn't pin you mayn't pin he mayn't pin we mayn't pin you mayn't pin they mayn't pin	I mayn't be pinning you mayn't be pinning he mayn't be pinning we mayn't be pinning you mayn't be pinning they mayn't be pinning
Perfect	V-ing perfect
I mayn't have pinned you mayn't have pinned he mayn't have pinned we mayn't have pinned you mayn't have pinned they mayn't have pinned	I mayn't have been pinning you mayn't have been pinning he mayn't have been pinning we mayn't have been pinning you mayn't have been pinning they mayn't have been pinning

Interrogative form

Simple form	V-ing form
may I pin? may you pin? may he pin? may we pin? may you pin? may they pin?	may I be pinning? may you be pinning? may he be pinning? may we be pinning? may you be pinning? may they be pinning?
Perfect	V-ing perfect
may I have pinned? may you have pinned? may he have pinned? may we have pinned? may you have pinned? may they have pinned?	may I have been pinning? may you have been pinning? may he have been pinning? may we have been pinning? may you have been pinning? may they have been pinning?

Interro-negative form

Simple form	V-ing form
mayn't I pin? mayn't you pin? mayn't he pin? mayn't we pin? mayn't you pin? mayn't they pin?	mayn't I be pinning? mayn't you be pinning? mayn't he be pinning? mayn't we be pinning? mayn't you be pinning? mayn't they be pinning?
Perfect	V-ing perfect
mayn't I have pinned? mayn't you have pinned? mayn't he have pinned? mayn't we have pinned? mayn't you have pinned? mayn't they have pinned?	mayn't I have been pinning? mayn't you have been pinning? mayn't he have been pinning? mayn't we have been pinning? mayn't you have been pinning? mayn't they have been pinning?