Judge by is the more common pattern for the basis of an opinion. Judge from is also possible when drawing a conclusion from evidence.
Use judge by for the standard basis of a judgement. Judge from is also used when making an inference from information or appearance.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Judge by introduces the standard or evidence used for evaluation.
Judge from is used when inferring something from available signs or facts.
Judging by is a common introductory phrase.
Judging from is also idiomatic and close in meaning to judging by.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
Judge from often sounds more natural before a full conclusion clause.
✕ I judged by her answer that she knew him. ✓ I judged from her answer that she knew him.Judge by normally needs a standard or evidence.
✕ They judged by. ✓ They judged by the final report.Choose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Judge by is generally the more standard and frequent pattern for evaluation.
Yes. Both are idiomatic and often interchangeable.
It is standard English and often appears in careful or descriptive writing.
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