may crispen
Regular verb: crispen - crispened- crispened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may crispen
you may crispen
he may crispen
we may crispen
you may crispen
they may crispen 	I may be crispening
you may be crispening
he may be crispening
we may be crispening
you may be crispening
they may be crispening	I may have crispened
you may have crispened
he may have crispened
we may have crispened
you may have crispened
they may have crispened	I may have been crispening
you may have been crispening
he may have been crispening
we may have been crispening
you may have been crispening
they may have been crispening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't crispen
you mayn't crispen
he mayn't crispen
we mayn't crispen
you mayn't crispen
they mayn't crispen 	I mayn't be crispening
you mayn't be crispening
he mayn't be crispening
we mayn't be crispening
you mayn't be crispening
they mayn't be crispening	I mayn't have crispened
you mayn't have crispened
he mayn't have crispened
we mayn't have crispened
you mayn't have crispened
they mayn't have crispened	I mayn't have been crispening
you mayn't have been crispening
he mayn't have been crispening
we mayn't have been crispening
you mayn't have been crispening
they mayn't have been crispening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I crispen?
may you crispen?
may he crispen?
may we crispen?
may you crispen?
may they crispen? 	may I be crispening?
may you be crispening?
may he be crispening?
may we be crispening?
may you be crispening?
may they be crispening? 	may I have crispened?
may you have crispened?
may he have crispened?
may we have crispened?
may you have crispened?
may they have crispened? 	may I have been crispening?
may you have been crispening?
may he have been crispening?
may we have been crispening?
may you have been crispening?
may they have been crispening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I crispen?
mayn't you crispen?
mayn't he crispen?
mayn't we crispen?
mayn't you crispen?
mayn't they crispen? 	mayn't I be crispening?
mayn't you be crispening?
mayn't he be crispening?
mayn't we be crispening?
mayn't you be crispening?
mayn't they be crispening? 	mayn't I have crispened?
mayn't you have crispened?
mayn't he have crispened?
mayn't we have crispened?
mayn't you have crispened?
mayn't they have crispened? 	mayn't I have been crispening?
mayn't you have been crispening?
mayn't he have been crispening?
mayn't we have been crispening?
mayn't you have been crispening?
mayn't they have been crispening?