from The American Heritage® Dictionary of the English Language, 4th Edition
- auxiliary v. Archaic A second person singular past tense of can1.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. Second-person singular simple past form of can.
- v. Alternative spelling of couldst.
Sorry, no etymologies found.
How couldest thou work such work and spill the blood of so many thousand Jinn?
How couldest thou be in Bassorah yesterday and Cairo yesternight and withal awake in Damascus this morning?
She understood me and made answer, also by signs, “How couldest thou bring all this evil upon me?” and I rejoined after the same fashion,
Their antiquity always made me reverence them: And how was it possible that thou couldest not, for that reason, if for no other, give them a perusal?
I see that this gentleman is the best match thou ever couldest have had, upon all accounts: his spirit such another impetuous one as thy own; soon taking fire; vindictive; and only differing in this, that the cause he engages in is a just one.
All pure nature, taking advantage of nature, as nature tends; and so simple my devices, that when they are known, thou, even thou, imaginest thou couldest have thought of the same.
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.
Behold, thou hast spoken and done evil things as thou couldest.
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.
And he cometh, and findeth them sleeping, and saith unto Peter, Simon, sleepest thou? couldest not thou watch one hour?
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