Inactive for and inactive in are both possible, but they are used differently. For usually introduces a period of time, while in introduces an activity, field, or organisation.
Use inactive for with a length of time. Use inactive in with an area, activity, group, or field. The meanings are different, and both patterns are natural in the right context.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use for to show how long someone or something has not been active.
Use in before a field, organisation, or type of activity.
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.
For normally refers to time, not fields of activity.
✕ She is inactive for community work. ✓ She is inactive in community work.Use for to express duration.
✕ The account was inactive in three months. ✓ The account was inactive for three months.Inactive means not active or operating, not necessarily absent.
✓ The system is inactive at night.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, but they express different ideas: duration versus area of activity.
Yes. Here on belongs to social media, not directly to inactive.
It means not active during a particular period of time.
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