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 can't purpose you can't purpose he 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 he can't be purposing we can't be purposing you can't be purposing they can't be purposing
Perfect	V-ing perfect
I can't have purposed you can't have purposed he 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 he 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
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't I purpose? can't you purpose? can't he 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 he be purposing? can't we be purposing? can't you be purposing? can't they be purposing?
Perfect	V-ing perfect
can't I have purposed? can't you have purposed? can't he 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 he have been purposing? can't we have been purposing? can't you have been purposing? can't they have been purposing?