English verb conjugation
MAY THIEVE

Regular verb: thieve - thieved - thieved

Affirmation

Simple form	V-ing form
I may thieve you may thieve he may thieve we may thieve you may thieve they may thieve	I may be thieving you may be thieving he may be thieving we may be thieving you may be thieving they may be thieving
Perfect	V-ing perfect
I may have thieved you may have thieved he may have thieved we may have thieved you may have thieved they may have thieved	I may have been thieving you may have been thieving he may have been thieving we may have been thieving you may have been thieving they may have been thieving

Negation

Simple form	V-ing form
I mayn't thieve you mayn't thieve he mayn't thieve we mayn't thieve you mayn't thieve they mayn't thieve	I mayn't be thieving you mayn't be thieving he mayn't be thieving we mayn't be thieving you mayn't be thieving they mayn't be thieving
Perfect	V-ing perfect
I mayn't have thieved you mayn't have thieved he mayn't have thieved we mayn't have thieved you mayn't have thieved they mayn't have thieved	I mayn't have been thieving you mayn't have been thieving he mayn't have been thieving we mayn't have been thieving you mayn't have been thieving they mayn't have been thieving

Interrogative form

Simple form	V-ing form
may I thieve? may you thieve? may he thieve? may we thieve? may you thieve? may they thieve?	may I be thieving? may you be thieving? may he be thieving? may we be thieving? may you be thieving? may they be thieving?
Perfect	V-ing perfect
may I have thieved? may you have thieved? may he have thieved? may we have thieved? may you have thieved? may they have thieved?	may I have been thieving? may you have been thieving? may he have been thieving? may we have been thieving? may you have been thieving? may they have been thieving?

Interro-negative form

Simple form	V-ing form
mayn't I thieve? mayn't you thieve? mayn't he thieve? mayn't we thieve? mayn't you thieve? mayn't they thieve?	mayn't I be thieving? mayn't you be thieving? mayn't he be thieving? mayn't we be thieving? mayn't you be thieving? mayn't they be thieving?
Perfect	V-ing perfect
mayn't I have thieved? mayn't you have thieved? mayn't he have thieved? mayn't we have thieved? mayn't you have thieved? mayn't they have thieved?	mayn't I have been thieving? mayn't you have been thieving? mayn't he have been thieving? mayn't we have been thieving? mayn't you have been thieving? mayn't they have been thieving?