English verb conjugation
MAY CRAB

Regular verb: crab - crabbed - crabbed

Affirmation

Simple form	V-ing form
I may crab you may crab he may crab we may crab you may crab they may crab	I may be crabbing you may be crabbing he may be crabbing we may be crabbing you may be crabbing they may be crabbing
Perfect	V-ing perfect
I may have crabbed you may have crabbed he may have crabbed we may have crabbed you may have crabbed they may have crabbed	I may have been crabbing you may have been crabbing he may have been crabbing we may have been crabbing you may have been crabbing they may have been crabbing

Negation

Simple form	V-ing form
I mayn't crab you mayn't crab he mayn't crab we mayn't crab you mayn't crab they mayn't crab	I mayn't be crabbing you mayn't be crabbing he mayn't be crabbing we mayn't be crabbing you mayn't be crabbing they mayn't be crabbing
Perfect	V-ing perfect
I mayn't have crabbed you mayn't have crabbed he mayn't have crabbed we mayn't have crabbed you mayn't have crabbed they mayn't have crabbed	I mayn't have been crabbing you mayn't have been crabbing he mayn't have been crabbing we mayn't have been crabbing you mayn't have been crabbing they mayn't have been crabbing

Interrogative form

Simple form	V-ing form
may I crab? may you crab? may he crab? may we crab? may you crab? may they crab?	may I be crabbing? may you be crabbing? may he be crabbing? may we be crabbing? may you be crabbing? may they be crabbing?
Perfect	V-ing perfect
may I have crabbed? may you have crabbed? may he have crabbed? may we have crabbed? may you have crabbed? may they have crabbed?	may I have been crabbing? may you have been crabbing? may he have been crabbing? may we have been crabbing? may you have been crabbing? may they have been crabbing?

Interro-negative form

Simple form	V-ing form
mayn't I crab? mayn't you crab? mayn't he crab? mayn't we crab? mayn't you crab? mayn't they crab?	mayn't I be crabbing? mayn't you be crabbing? mayn't he be crabbing? mayn't we be crabbing? mayn't you be crabbing? mayn't they be crabbing?
Perfect	V-ing perfect
mayn't I have crabbed? mayn't you have crabbed? mayn't he have crabbed? mayn't we have crabbed? mayn't you have crabbed? mayn't they have crabbed?	mayn't I have been crabbing? mayn't you have been crabbing? mayn't he have been crabbing? mayn't we have been crabbing? mayn't you have been crabbing? mayn't they have been crabbing?