may cramp
Regular verb: cramp - cramped- cramped

Affirmation 	
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I may cramp
you may cramp
he may cramp
we may cramp
you may cramp
they may cramp 	I may be cramping
you may be cramping
he may be cramping
we may be cramping
you may be cramping
they may be cramping	I may have cramped
you may have cramped
he may have cramped
we may have cramped
you may have cramped
they may have cramped	I may have been cramping
you may have been cramping
he may have been cramping
we may have been cramping
you may have been cramping
they may have been cramping	

Negation 	
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I mayn't cramp
you mayn't cramp
he mayn't cramp
we mayn't cramp
you mayn't cramp
they mayn't cramp 	I mayn't be cramping
you mayn't be cramping
he mayn't be cramping
we mayn't be cramping
you mayn't be cramping
they mayn't be cramping	I mayn't have cramped
you mayn't have cramped
he mayn't have cramped
we mayn't have cramped
you mayn't have cramped
they mayn't have cramped	I mayn't have been cramping
you mayn't have been cramping
he mayn't have been cramping
we mayn't have been cramping
you mayn't have been cramping
they mayn't have been cramping	

Interrogative form 	
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may I cramp?
may you cramp?
may he cramp?
may we cramp?
may you cramp?
may they cramp? 	may I be cramping?
may you be cramping?
may he be cramping?
may we be cramping?
may you be cramping?
may they be cramping? 	may I have cramped?
may you have cramped?
may he have cramped?
may we have cramped?
may you have cramped?
may they have cramped? 	may I have been cramping?
may you have been cramping?
may he have been cramping?
may we have been cramping?
may you have been cramping?
may they have been cramping? 	

Interro-negative form 	
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mayn't I cramp?
mayn't you cramp?
mayn't he cramp?
mayn't we cramp?
mayn't you cramp?
mayn't they cramp? 	mayn't I be cramping?
mayn't you be cramping?
mayn't he be cramping?
mayn't we be cramping?
mayn't you be cramping?
mayn't they be cramping? 	mayn't I have cramped?
mayn't you have cramped?
mayn't he have cramped?
mayn't we have cramped?
mayn't you have cramped?
mayn't they have cramped? 	mayn't I have been cramping?
mayn't you have been cramping?
mayn't he have been cramping?
mayn't we have been cramping?
mayn't you have been cramping?
mayn't they have been cramping?