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