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