English verb conjugation
MAY THWACK

Regular verb: thwack - thwacked - thwacked

Affirmation

Simple form	V-ing form
I may thwack you may thwack he may thwack we may thwack you may thwack they may thwack	I may be thwacking you may be thwacking he may be thwacking we may be thwacking you may be thwacking they may be thwacking
Perfect	V-ing perfect
I may have thwacked you may have thwacked he may have thwacked we may have thwacked you may have thwacked they may have thwacked	I may have been thwacking you may have been thwacking he may have been thwacking we may have been thwacking you may have been thwacking they may have been thwacking

Negation

Simple form	V-ing form
I mayn't thwack you mayn't thwack he mayn't thwack we mayn't thwack you mayn't thwack they mayn't thwack	I mayn't be thwacking you mayn't be thwacking he mayn't be thwacking we mayn't be thwacking you mayn't be thwacking they mayn't be thwacking
Perfect	V-ing perfect
I mayn't have thwacked you mayn't have thwacked he mayn't have thwacked we mayn't have thwacked you mayn't have thwacked they mayn't have thwacked	I mayn't have been thwacking you mayn't have been thwacking he mayn't have been thwacking we mayn't have been thwacking you mayn't have been thwacking they mayn't have been thwacking

Interrogative form

Simple form	V-ing form
may I thwack? may you thwack? may he thwack? may we thwack? may you thwack? may they thwack?	may I be thwacking? may you be thwacking? may he be thwacking? may we be thwacking? may you be thwacking? may they be thwacking?
Perfect	V-ing perfect
may I have thwacked? may you have thwacked? may he have thwacked? may we have thwacked? may you have thwacked? may they have thwacked?	may I have been thwacking? may you have been thwacking? may he have been thwacking? may we have been thwacking? may you have been thwacking? may they have been thwacking?

Interro-negative form

Simple form	V-ing form
mayn't I thwack? mayn't you thwack? mayn't he thwack? mayn't we thwack? mayn't you thwack? mayn't they thwack?	mayn't I be thwacking? mayn't you be thwacking? mayn't he be thwacking? mayn't we be thwacking? mayn't you be thwacking? mayn't they be thwacking?
Perfect	V-ing perfect
mayn't I have thwacked? mayn't you have thwacked? mayn't he have thwacked? mayn't we have thwacked? mayn't you have thwacked? mayn't they have thwacked?	mayn't I have been thwacking? mayn't you have been thwacking? mayn't he have been thwacking? mayn't we have been thwacking? mayn't you have been thwacking? mayn't they have been thwacking?