can crispen
Regular verb: crispen - crispened- crispened

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

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

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

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