English verb conjugation
MAY VEIN

Regular verb: vein - veined - veined

Affirmation

Simple form	V-ing form
I may vein you may vein he may vein we may vein you may vein they may vein	I may be veining you may be veining he may be veining we may be veining you may be veining they may be veining
Perfect	V-ing perfect
I may have veined you may have veined he may have veined we may have veined you may have veined they may have veined	I may have been veining you may have been veining he may have been veining we may have been veining you may have been veining they may have been veining

Negation

Simple form	V-ing form
I mayn't vein you mayn't vein he mayn't vein we mayn't vein you mayn't vein they mayn't vein	I mayn't be veining you mayn't be veining he mayn't be veining we mayn't be veining you mayn't be veining they mayn't be veining
Perfect	V-ing perfect
I mayn't have veined you mayn't have veined he mayn't have veined we mayn't have veined you mayn't have veined they mayn't have veined	I mayn't have been veining you mayn't have been veining he mayn't have been veining we mayn't have been veining you mayn't have been veining they mayn't have been veining

Interrogative form

Simple form	V-ing form
may I vein? may you vein? may he vein? may we vein? may you vein? may they vein?	may I be veining? may you be veining? may he be veining? may we be veining? may you be veining? may they be veining?
Perfect	V-ing perfect
may I have veined? may you have veined? may he have veined? may we have veined? may you have veined? may they have veined?	may I have been veining? may you have been veining? may he have been veining? may we have been veining? may you have been veining? may they have been veining?

Interro-negative form

Simple form	V-ing form
mayn't I vein? mayn't you vein? mayn't he vein? mayn't we vein? mayn't you vein? mayn't they vein?	mayn't I be veining? mayn't you be veining? mayn't he be veining? mayn't we be veining? mayn't you be veining? mayn't they be veining?
Perfect	V-ing perfect
mayn't I have veined? mayn't you have veined? mayn't he have veined? mayn't we have veined? mayn't you have veined? mayn't they have veined?	mayn't I have been veining? mayn't you have been veining? mayn't he have been veining? mayn't we have been veining? mayn't you have been veining? mayn't they have been veining?