Naming who supports or confirms something
In passive structures, by introduces the authority or agent.
Uphold is usually used without a fixed preposition. By and in often belong to passive or contextual phrases.
Use upheld by in passive sentences to name the person or institution supporting a decision or principle. In can introduce a place, document, or context where something is upheld.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
In passive structures, by introduces the authority or agent.
In refers to laws, constitutions, agreements, or systems.
The verb often takes a direct object with no following preposition.
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.
By normally follows passive forms such as was upheld by.
✕ They uphold by the policy ✓ They uphold the policyUphold usually takes an object such as law, ruling, or principle.
✕ The court upheld ✓ The court upheld the rulingIn often introduces a location or document rather than a required preposition.
✓ The principle is upheld in the agreementChoose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Usually no. The verb commonly takes a direct object, such as uphold a law.
It appears in passive sentences to identify the person or institution supporting a ruling or principle.
Yes, when in introduces a place, document, or system where something is protected or maintained.
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