English verb conjugation
MAY CRAM

Regular verb: cram - crammed - crammed

Affirmation

Simple form	V-ing form
I may cram you may cram he may cram we may cram you may cram they may cram	I may be cramming you may be cramming he may be cramming we may be cramming you may be cramming they may be cramming
Perfect	V-ing perfect
I may have crammed you may have crammed he may have crammed we may have crammed you may have crammed they may have crammed	I may have been cramming you may have been cramming he may have been cramming we may have been cramming you may have been cramming they may have been cramming

Negation

Simple form	V-ing form
I mayn't cram you mayn't cram he mayn't cram we mayn't cram you mayn't cram they mayn't cram	I mayn't be cramming you mayn't be cramming he mayn't be cramming we mayn't be cramming you mayn't be cramming they mayn't be cramming
Perfect	V-ing perfect
I mayn't have crammed you mayn't have crammed he mayn't have crammed we mayn't have crammed you mayn't have crammed they mayn't have crammed	I mayn't have been cramming you mayn't have been cramming he mayn't have been cramming we mayn't have been cramming you mayn't have been cramming they mayn't have been cramming

Interrogative form

Simple form	V-ing form
may I cram? may you cram? may he cram? may we cram? may you cram? may they cram?	may I be cramming? may you be cramming? may he be cramming? may we be cramming? may you be cramming? may they be cramming?
Perfect	V-ing perfect
may I have crammed? may you have crammed? may he have crammed? may we have crammed? may you have crammed? may they have crammed?	may I have been cramming? may you have been cramming? may he have been cramming? may we have been cramming? may you have been cramming? may they have been cramming?

Interro-negative form

Simple form	V-ing form
mayn't I cram? mayn't you cram? mayn't he cram? mayn't we cram? mayn't you cram? mayn't they cram?	mayn't I be cramming? mayn't you be cramming? mayn't he be cramming? mayn't we be cramming? mayn't you be cramming? mayn't they be cramming?
Perfect	V-ing perfect
mayn't I have crammed? mayn't you have crammed? mayn't he have crammed? mayn't we have crammed? mayn't you have crammed? mayn't they have crammed?	mayn't I have been cramming? mayn't you have been cramming? mayn't he have been cramming? mayn't we have been cramming? mayn't you have been cramming? mayn't they have been cramming?