can purpose
Regular verb: purpose - purposed- purposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can purpose
you can purpose
she can purpose
we can purpose
you can purpose
they can purpose 	I can be purposing
you can be purposing
she can be purposing
we can be purposing
you can be purposing
they can be purposing	I can have purposed
you can have purposed
she can have purposed
we can have purposed
you can have purposed
they can have purposed	I can have been purposing
you can have been purposing
she can have been purposing
we can have been purposing
you can have been purposing
they can have been purposing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't purpose
you can't purpose
she can't purpose
we can't purpose
you can't purpose
they can't purpose 	I can't be purposing
you can't be purposing
she can't be purposing
we can't be purposing
you can't be purposing
they can't be purposing	I can't have purposed
you can't have purposed
she can't have purposed
we can't have purposed
you can't have purposed
they can't have purposed	I can't have been purposing
you can't have been purposing
she can't have been purposing
we can't have been purposing
you can't have been purposing
they can't have been purposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I purpose?
can you purpose?
can she purpose?
can we purpose?
can you purpose?
can they purpose? 	can I be purposing?
can you be purposing?
can she be purposing?
can we be purposing?
can you be purposing?
can they be purposing? 	can I have purposed?
can you have purposed?
can she have purposed?
can we have purposed?
can you have purposed?
can they have purposed? 	can I have been purposing?
can you have been purposing?
can she have been purposing?
can we have been purposing?
can you have been purposing?
can they have been purposing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I purpose?
can't you purpose?
can't she purpose?
can't we purpose?
can't you purpose?
can't they purpose? 	can't I be purposing?
can't you be purposing?
can't she be purposing?
can't we be purposing?
can't you be purposing?
can't they be purposing? 	can't I have purposed?
can't you have purposed?
can't she have purposed?
can't we have purposed?
can't you have purposed?
can't they have purposed? 	can't I have been purposing?
can't you have been purposing?
can't she have been purposing?
can't we have been purposing?
can't you have been purposing?
can't they have been purposing?