I could consent you could consent he could consent we could consent you could consent they could consent
V-ing form
I could be consenting you could be consenting he could be consenting we could be consenting you could be consenting they could be consenting
Perfect
I could have consented you could have consented he could have consented we could have consented you could have consented they could have consented
V-ing perfect
I could have been consenting you could have been consenting he could have been consenting we could have been consenting you could have been consenting they could have been consenting
Negation
Simple form
I couldn't consent you couldn't consent he couldn't consent we couldn't consent you couldn't consent they couldn't consent
V-ing form
I couldn't be consenting you couldn't be consenting he couldn't be consenting we couldn't be consenting you couldn't be consenting they couldn't be consenting
Perfect
I couldn't have consented you couldn't have consented he couldn't have consented we couldn't have consented you couldn't have consented they couldn't have consented
V-ing perfect
I couldn't have been consenting you couldn't have been consenting he couldn't have been consenting we couldn't have been consenting you couldn't have been consenting they couldn't have been consenting
Interrogative form
Simple form
could I consent? could you consent? could he consent? could we consent? could you consent? could they consent?
V-ing form
could I be consenting? could you be consenting? could he be consenting? could we be consenting? could you be consenting? could they be consenting?
Perfect
could I have consented? could you have consented? could he have consented? could we have consented? could you have consented? could they have consented?
V-ing perfect
could I have been consenting? could you have been consenting? could he have been consenting? could we have been consenting? could you have been consenting? could they have been consenting?
Interro-negative form
Simple form
couldn't I consent? couldn't you consent? couldn't he consent? couldn't we consent? couldn't you consent? couldn't they consent?
V-ing form
couldn't I be consenting? couldn't you be consenting? couldn't he be consenting? couldn't we be consenting? couldn't you be consenting? couldn't they be consenting?
Perfect
couldn't I have consented? couldn't you have consented? couldn't he have consented? couldn't we have consented? couldn't you have consented? couldn't they have consented?
V-ing perfect
couldn't I have been consenting? couldn't you have been consenting? couldn't he have been consenting? couldn't we have been consenting? couldn't you have been consenting? couldn't they have been consenting?