English verb conjugation
COULD PURPOSE

Regular verb: purpose - purposed - purposed

Affirmation

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