I could consent you could consent she could consent we could consent you could consent they could consent
V-ing form
I could be consenting you could be consenting she could be consenting we could be consenting you could be consenting they could be consenting
Perfect
I could have consented you could have consented she 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 she 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 she 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 she 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 she 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 she 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 she consent? could we consent? could you consent? could they consent?
V-ing form
could I be consenting? could you be consenting? could she be consenting? could we be consenting? could you be consenting? could they be consenting?
Perfect
could I have consented? could you have consented? could she 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 she 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 she 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 she 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 she 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 she have been consenting? couldn't we have been consenting? couldn't you have been consenting? couldn't they have been consenting?