English verb conjugation
MAY SPELL-CHECK

Regular verb: spell-check - spell-checked - spell-checked

Affirmation

Simple form	V-ing form
I may spell-check you may spell-check he may spell-check we may spell-check you may spell-check they may spell-check	I may be spell-checking you may be spell-checking he may be spell-checking we may be spell-checking you may be spell-checking they may be spell-checking
Perfect	V-ing perfect
I may have spell-checked you may have spell-checked he may have spell-checked we may have spell-checked you may have spell-checked they may have spell-checked	I may have been spell-checking you may have been spell-checking he may have been spell-checking we may have been spell-checking you may have been spell-checking they may have been spell-checking

Negation

Simple form	V-ing form
I mayn't spell-check you mayn't spell-check he mayn't spell-check we mayn't spell-check you mayn't spell-check they mayn't spell-check	I mayn't be spell-checking you mayn't be spell-checking he mayn't be spell-checking we mayn't be spell-checking you mayn't be spell-checking they mayn't be spell-checking
Perfect	V-ing perfect
I mayn't have spell-checked you mayn't have spell-checked he mayn't have spell-checked we mayn't have spell-checked you mayn't have spell-checked they mayn't have spell-checked	I mayn't have been spell-checking you mayn't have been spell-checking he mayn't have been spell-checking we mayn't have been spell-checking you mayn't have been spell-checking they mayn't have been spell-checking

Interrogative form

Simple form	V-ing form
may I spell-check? may you spell-check? may he spell-check? may we spell-check? may you spell-check? may they spell-check?	may I be spell-checking? may you be spell-checking? may he be spell-checking? may we be spell-checking? may you be spell-checking? may they be spell-checking?
Perfect	V-ing perfect
may I have spell-checked? may you have spell-checked? may he have spell-checked? may we have spell-checked? may you have spell-checked? may they have spell-checked?	may I have been spell-checking? may you have been spell-checking? may he have been spell-checking? may we have been spell-checking? may you have been spell-checking? may they have been spell-checking?

Interro-negative form

Simple form	V-ing form
mayn't I spell-check? mayn't you spell-check? mayn't he spell-check? mayn't we spell-check? mayn't you spell-check? mayn't they spell-check?	mayn't I be spell-checking? mayn't you be spell-checking? mayn't he be spell-checking? mayn't we be spell-checking? mayn't you be spell-checking? mayn't they be spell-checking?
Perfect	V-ing perfect
mayn't I have spell-checked? mayn't you have spell-checked? mayn't he have spell-checked? mayn't we have spell-checked? mayn't you have spell-checked? mayn't they have spell-checked?	mayn't I have been spell-checking? mayn't you have been spell-checking? mayn't he have been spell-checking? mayn't we have been spell-checking? mayn't you have been spell-checking? mayn't they have been spell-checking?