I could wrap you could wrap she could wrap we could wrap you could wrap they could wrap
V-ing form
I could be wrapping you could be wrapping she could be wrapping we could be wrapping you could be wrapping they could be wrapping
Perfect
I could have wrapped you could have wrapped she could have wrapped we could have wrapped you could have wrapped they could have wrapped
V-ing perfect
I could have been wrapping you could have been wrapping she could have been wrapping we could have been wrapping you could have been wrapping they could have been wrapping
Negation
Simple form
I couldn't wrap you couldn't wrap she couldn't wrap we couldn't wrap you couldn't wrap they couldn't wrap
V-ing form
I couldn't be wrapping you couldn't be wrapping she couldn't be wrapping we couldn't be wrapping you couldn't be wrapping they couldn't be wrapping
Perfect
I couldn't have wrapped you couldn't have wrapped she couldn't have wrapped we couldn't have wrapped you couldn't have wrapped they couldn't have wrapped
V-ing perfect
I couldn't have been wrapping you couldn't have been wrapping she couldn't have been wrapping we couldn't have been wrapping you couldn't have been wrapping they couldn't have been wrapping
Interrogative form
Simple form
could I wrap? could you wrap? could she wrap? could we wrap? could you wrap? could they wrap?
V-ing form
could I be wrapping? could you be wrapping? could she be wrapping? could we be wrapping? could you be wrapping? could they be wrapping?
Perfect
could I have wrapped? could you have wrapped? could she have wrapped? could we have wrapped? could you have wrapped? could they have wrapped?
V-ing perfect
could I have been wrapping? could you have been wrapping? could she have been wrapping? could we have been wrapping? could you have been wrapping? could they have been wrapping?
Interro-negative form
Simple form
couldn't I wrap? couldn't you wrap? couldn't she wrap? couldn't we wrap? couldn't you wrap? couldn't they wrap?
V-ing form
couldn't I be wrapping? couldn't you be wrapping? couldn't she be wrapping? couldn't we be wrapping? couldn't you be wrapping? couldn't they be wrapping?
Perfect
couldn't I have wrapped? couldn't you have wrapped? couldn't she have wrapped? couldn't we have wrapped? couldn't you have wrapped? couldn't they have wrapped?
V-ing perfect
couldn't I have been wrapping? couldn't you have been wrapping? couldn't she have been wrapping? couldn't we have been wrapping? couldn't you have been wrapping? couldn't they have been wrapping?