I could awake you could awake she could awake we could awake you could awake they could awake
V-ing form
I could be awaking you could be awaking she could be awaking we could be awaking you could be awaking they could be awaking
Perfect
I could have awoken, awaked you could have awoken, awaked she could have awoken, awaked we could have awoken, awaked you could have awoken, awaked they could have awoken, awaked
V-ing perfect
I could have been awaking you could have been awaking she could have been awaking we could have been awaking you could have been awaking they could have been awaking
Negation
Simple form
I couldn't awake you couldn't awake she couldn't awake we couldn't awake you couldn't awake they couldn't awake
V-ing form
I couldn't be awaking you couldn't be awaking she couldn't be awaking we couldn't be awaking you couldn't be awaking they couldn't be awaking
Perfect
I couldn't have awoken, awaked you couldn't have awoken, awaked she couldn't have awoken, awaked we couldn't have awoken, awaked you couldn't have awoken, awaked they couldn't have awoken, awaked
V-ing perfect
I couldn't have been awaking you couldn't have been awaking she couldn't have been awaking we couldn't have been awaking you couldn't have been awaking they couldn't have been awaking
Interrogative form
Simple form
could I awake? could you awake? could she awake? could we awake? could you awake? could they awake?
V-ing form
could I be awaking? could you be awaking? could she be awaking? could we be awaking? could you be awaking? could they be awaking?
Perfect
could I have awoken, awaked? could you have awoken, awaked? could she have awoken, awaked? could we have awoken, awaked? could you have awoken, awaked? could they have awoken, awaked?
V-ing perfect
could I have been awaking? could you have been awaking? could she have been awaking? could we have been awaking? could you have been awaking? could they have been awaking?
Interro-negative form
Simple form
couldn't I awake? couldn't you awake? couldn't she awake? couldn't we awake? couldn't you awake? couldn't they awake?
V-ing form
couldn't I be awaking? couldn't you be awaking? couldn't she be awaking? couldn't we be awaking? couldn't you be awaking? couldn't they be awaking?
Perfect
couldn't I have awoken, awaked? couldn't you have awoken, awaked? couldn't she have awoken, awaked? couldn't we have awoken, awaked? couldn't you have awoken, awaked? couldn't they have awoken, awaked?
V-ing perfect
couldn't I have been awaking? couldn't you have been awaking? couldn't she have been awaking? couldn't we have been awaking? couldn't you have been awaking? couldn't they have been awaking?