Effective in an area
Use in for fields or tasks.
Productive in is common for areas of activity. Productive of appears in formal writing about producing results. Productive for refers to benefits.
Use productive in for fields or activities, productive of for producing something, and productive for when something benefits a purpose or person.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use in for fields or tasks.
This pattern is formal and often used with land or systems.
Use for to show benefit.
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.
Productive in is usually more natural for activities.
✕ She is productive of marketing tasks. ✓ She is productive in marketing tasks.For means benefit, not output.
✕ The land is productive for olives. ✓ The land is productive of olives.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 more formal and common with land or resources.
Yes. It commonly describes effectiveness in work or activities.
It means useful or beneficial for someone or something.
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