English verb conjugation
COULD PURPOSE

Regular verb: purpose - purposed - purposed

Affirmation

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

Interrogative form

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