could purpose
Regular verb: purpose - purposed- purposed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not purpose
you could not purpose
she could not purpose
we could not purpose
you could not purpose
they could not purpose 	I could not be purposing
you could not be purposing
she could not be purposing
we could not be purposing
you could not be purposing
they could not be purposing	I could not have purposed
you could not have purposed
she could not have purposed
we could not have purposed
you could not have purposed
they could not have purposed	I could not have been purposing
you could not have been purposing
she could not have been purposing
we could not have been purposing
you could not have been purposing
they could not have been purposing	

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

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