come loose/untied and become loose/untied


Senior Member
Assamese -India
One of the screws had come loose.

Why do shoe laces come untied?

Can I use become in place of come in the above sentences?
  • Barque

    Senior Member
    You could in the first but in the second it wouldn't sound natural. "Come" has a specific meaning in both sentences, something like "happen" or "occur".
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