may firm
Regular verb: firm - firmed- firmed

Affirmation 	
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I may firm
you may firm
he may firm
we may firm
you may firm
they may firm 	I may be firming
you may be firming
he may be firming
we may be firming
you may be firming
they may be firming	I may have firmed
you may have firmed
he may have firmed
we may have firmed
you may have firmed
they may have firmed	I may have been firming
you may have been firming
he may have been firming
we may have been firming
you may have been firming
they may have been firming	

Negation 	
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I mayn't firm
you mayn't firm
he mayn't firm
we mayn't firm
you mayn't firm
they mayn't firm 	I mayn't be firming
you mayn't be firming
he mayn't be firming
we mayn't be firming
you mayn't be firming
they mayn't be firming	I mayn't have firmed
you mayn't have firmed
he mayn't have firmed
we mayn't have firmed
you mayn't have firmed
they mayn't have firmed	I mayn't have been firming
you mayn't have been firming
he mayn't have been firming
we mayn't have been firming
you mayn't have been firming
they mayn't have been firming	

Interrogative form 	
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may I firm?
may you firm?
may he firm?
may we firm?
may you firm?
may they firm? 	may I be firming?
may you be firming?
may he be firming?
may we be firming?
may you be firming?
may they be firming? 	may I have firmed?
may you have firmed?
may he have firmed?
may we have firmed?
may you have firmed?
may they have firmed? 	may I have been firming?
may you have been firming?
may he have been firming?
may we have been firming?
may you have been firming?
may they have been firming? 	

Interro-negative form 	
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mayn't I firm?
mayn't you firm?
mayn't he firm?
mayn't we firm?
mayn't you firm?
mayn't they firm? 	mayn't I be firming?
mayn't you be firming?
mayn't he be firming?
mayn't we be firming?
mayn't you be firming?
mayn't they be firming? 	mayn't I have firmed?
mayn't you have firmed?
mayn't he have firmed?
mayn't we have firmed?
mayn't you have firmed?
mayn't they have firmed? 	mayn't I have been firming?
mayn't you have been firming?
mayn't he have been firming?
mayn't we have been firming?
mayn't you have been firming?
mayn't they have been firming?