English verb conjugation
CAN PURPOSE

Regular verb: purpose - purposed - purposed

Affirmation

Simple form	V-ing form
I can purpose you can purpose he can purpose we can purpose you can purpose they can purpose	I can be purposing you can be purposing he can be purposing we can be purposing you can be purposing they can be purposing
Perfect	V-ing perfect
I can have purposed you can have purposed he 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 he 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
I cannot purpose you cannot purpose he cannot purpose we cannot purpose you cannot purpose they cannot purpose	I cannot be purposing you cannot be purposing he cannot be purposing we cannot be purposing you cannot be purposing they cannot be purposing
Perfect	V-ing perfect
I cannot have purposed you cannot have purposed he cannot have purposed we cannot have purposed you cannot have purposed they cannot have purposed	I cannot have been purposing you cannot have been purposing he cannot have been purposing we cannot have been purposing you cannot have been purposing they cannot have been purposing

Interrogative form

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