Mark 14:37 And he cometh, and findeth them sleeping, and saith unto Peter, Simon, sleepest thou? couldest not thou watch one hour? (KJV ASV)
John 19:11 Jesus answered, Thou couldest have no power at all against me, except it were given thee from above: therefore he that delivered me unto thee hath the greater sin. (KJV)
Jeremiah 3:5 Will he reserve his anger for ever? will he keep it to the end? Behold, thou hast spoken and done evil things as thou couldest. (KJV)
Ezekiel 16:28 Thou hast played the whore also with the Assyrians, because thou wast unsatiable; yea, thou hast played the harlot with them, and yet couldest not be satisfied. (KJV DBY)
Daniel 2:47 The king answered unto Daniel, and said, Of a truth it is, that your God is a God of gods, and a Lord of kings, and a revealer of secrets, seeing thou couldest reveal this secret. (KJV)