Preposition after adjective

Ongoing in or ongoing for?

Ongoing usually describes something that continues over time. Ongoing for is common with a period of time. Ongoing in is used when referring to an area, place, or activity.

Quick answer

How is ongoing used with prepositions?

Use ongoing for with a duration: ongoing for months. Use ongoing in when something continues within a field, place, or process: ongoing in the region. The adjective also commonly appears before a noun, as in ongoing negotiations.

The talks have been ongoing for weeks.
Research is ongoing in several laboratories.
They face an ongoing dispute.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
ongoing for + period

Continuing over time

Use ongoing for with lengths of time.

The repairs have been ongoing for months.
The investigation remained ongoing for years.
2
ongoing in + place/field

Continuing within an area or activity

Use ongoing in when describing where or in what area something continues.

Conflict is ongoing in the region.
Work is ongoing in the finance department.
3
ongoing + noun

Describing a continuing situation

Ongoing commonly appears directly before nouns.

They discussed ongoing negotiations.
The company faces ongoing challenges.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
ongoing for
The strike has been ongoing for two weeks.
continuing during a period of time
ongoing in
Change is ongoing in the education system.
continuing within a place or field
ongoing with
They are still dealing with the issue.
With is not a standard complement after ongoing
ongoing between
Negotiations are ongoing between the companies.
continuing among parties

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using ongoing with as a fixed pattern

Ongoing does not normally take with directly after it.

✕ The talks are ongoing with three days. ✓ The talks have been ongoing for three days.

Using ongoing for a place

Use in for places or fields.

✕ Fighting is ongoing for the city. ✓ Fighting is ongoing in the city.

Forgetting the noun after ongoing

Ongoing often works best before a noun.

✕ The project is ongoing situation. ✓ The project is an ongoing situation.

Quick practice

Choose the expression that matches the intended meaning.

1. The review has been ongoing ___ April.
2. Construction is ongoing ___ the downtown area.
3. They discussed ___ negotiations.

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Frequently asked questions

Can ongoing be used before a noun?

Yes. This is one of the most common uses, as in ongoing discussions.

Is ongoing for followed by a date or duration?

It is usually followed by a duration such as weeks, months, or years.

Can ongoing in describe abstract areas?

Yes. It can describe fields or systems, such as ongoing in education.

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