can purple
Regular verb: purple - purpled- purpled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can purple
you can purple
he can purple
we can purple
you can purple
they can purple 	I can be purpling
you can be purpling
he can be purpling
we can be purpling
you can be purpling
they can be purpling	I can have purpled
you can have purpled
he can have purpled
we can have purpled
you can have purpled
they can have purpled	I can have been purpling
you can have been purpling
he can have been purpling
we can have been purpling
you can have been purpling
they can have been purpling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot purple
you cannot purple
he cannot purple
we cannot purple
you cannot purple
they cannot purple 	I cannot be purpling
you cannot be purpling
he cannot be purpling
we cannot be purpling
you cannot be purpling
they cannot be purpling	I cannot have purpled
you cannot have purpled
he cannot have purpled
we cannot have purpled
you cannot have purpled
they cannot have purpled	I cannot have been purpling
you cannot have been purpling
he cannot have been purpling
we cannot have been purpling
you cannot have been purpling
they cannot have been purpling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I purple?
can you purple?
can he purple?
can we purple?
can you purple?
can they purple? 	can I be purpling?
can you be purpling?
can he be purpling?
can we be purpling?
can you be purpling?
can they be purpling? 	can I have purpled?
can you have purpled?
can he have purpled?
can we have purpled?
can you have purpled?
can they have purpled? 	can I have been purpling?
can you have been purpling?
can he have been purpling?
can we have been purpling?
can you have been purpling?
can they have been purpling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not purple?
can you not purple?
can he not purple?
can we not purple?
can you not purple?
can they not purple? 	can I not be purpling?
can you not be purpling?
can he not be purpling?
can we not be purpling?
can you not be purpling?
can they not be purpling? 	can I not have purpled?
can you not have purpled?
can he not have purpled?
can we not have purpled?
can you not have purpled?
can they not have purpled? 	can I not have been purpling?
can you not have been purpling?
can he not have been purpling?
can we not have been purpling?
can you not have been purpling?
can they not have been purpling?