Different prepositions with "chairman" express role, source, direction, or authorship. Some combinations are fixed, while others depend on sentence meaning.
Use "chairman of" for leadership roles and "as chairman" for someone's function. "By the chairman," "to the chairman," and "from the chairman" are also natural in specific sentence contexts.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use "chairman of" to identify the organization or committee a person leads.
Use "as chairman" when describing how someone acts or serves.
Use "by the chairman" in passive structures.
Use "to the chairman" for communication or movement toward the person.
Use "from the chairman" for messages or actions coming from that person.
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.
Specific roles often need "the" or another determiner.
✕ I spoke to chairman. ✓ I spoke to the chairman."Chairman of" names the organization; "as chairman" describes the role.
✕ She served of chairman. ✓ She served as chairman.Passive structures usually require "the."
✕ The report was signed by chairman. ✓ The report was signed by the chairman.Choose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
Yes. It is the usual pattern for leadership positions.
Yes. It describes someone's role or function.
Yes. They work as normal directional or source prepositional phrases.
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