The phrases “I cannot find …” and “I couldn’t find …” and willful possibility
Examples: 1. I cannot find my socks. / I couldn’t find my socks. 2. I cannot find a counter-example to the theory. / I couldn’t find a counter-example to the theory. The word “cannot” is usually taken to express impossibility and be somewhat equivalent in meaning with the word “impossible”, thought they cannot be used…
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