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 could not awake you could not awake she could not awake we could not awake you could not awake they could not awake
V-ing form
I could not be awaking you could not be awaking she could not be awaking we could not be awaking you could not be awaking they could not be awaking
Perfect
I could not have awoken, awaked you could not have awoken, awaked she could not have awoken, awaked we could not have awoken, awaked you could not have awoken, awaked they could not have awoken, awaked
V-ing perfect
I could not have been awaking you could not have been awaking she could not have been awaking we could not have been awaking you could not have been awaking they could not 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
could I not awake? could you not awake? could she not awake? could we not awake? could you not awake? could they not awake?
V-ing form
could I not be awaking? could you not be awaking? could she not be awaking? could we not be awaking? could you not be awaking? could they not be awaking?
Perfect
could I not have awoken, awaked? could you not have awoken, awaked? could she not have awoken, awaked? could we not have awoken, awaked? could you not have awoken, awaked? could they not have awoken, awaked?
V-ing perfect
could I not have been awaking? could you not have been awaking? could she not have been awaking? could we not have been awaking? could you not have been awaking? could they not have been awaking?