English verb conjugation
COULD WAKEN

Regular verb: waken - wakened - wakened

Affirmation

Simple form	V-ing form
I could waken you could waken he could waken we could waken you could waken they could waken	I could be wakening you could be wakening he could be wakening we could be wakening you could be wakening they could be wakening
Perfect	V-ing perfect
I could have wakened you could have wakened he could have wakened we could have wakened you could have wakened they could have wakened	I could have been wakening you could have been wakening he could have been wakening we could have been wakening you could have been wakening they could have been wakening

Negation

Simple form	V-ing form
I could not waken you could not waken he could not waken we could not waken you could not waken they could not waken	I could not be wakening you could not be wakening he could not be wakening we could not be wakening you could not be wakening they could not be wakening
Perfect	V-ing perfect
I could not have wakened you could not have wakened he could not have wakened we could not have wakened you could not have wakened they could not have wakened	I could not have been wakening you could not have been wakening he could not have been wakening we could not have been wakening you could not have been wakening they could not have been wakening

Interrogative form

Simple form	V-ing form
could I waken? could you waken? could he waken? could we waken? could you waken? could they waken?	could I be wakening? could you be wakening? could he be wakening? could we be wakening? could you be wakening? could they be wakening?
Perfect	V-ing perfect
could I have wakened? could you have wakened? could he have wakened? could we have wakened? could you have wakened? could they have wakened?	could I have been wakening? could you have been wakening? could he have been wakening? could we have been wakening? could you have been wakening? could they have been wakening?

Interro-negative form

Simple form	V-ing form
could I not waken? could you not waken? could he not waken? could we not waken? could you not waken? could they not waken?	could I not be wakening? could you not be wakening? could he not be wakening? could we not be wakening? could you not be wakening? could they not be wakening?
Perfect	V-ing perfect
could I not have wakened? could you not have wakened? could he not have wakened? could we not have wakened? could you not have wakened? could they not have wakened?	could I not have been wakening? could you not have been wakening? could he not have been wakening? could we not have been wakening? could you not have been wakening? could they not have been wakening?