had investigated

USAGE SUMMARY

The phrase "had investigated" is correct and usable in written English.
It is typically used to indicate that an investigation was completed before another action or event in the past. Example: "By the time the trial began, the detectives had investigated all possible leads."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

"He assisted with the investigation and also reviewed what they had investigated so far," Sergeant Tyler said.

The New York Times

"We had investigated them back in 2009.

The New York Times

Tells about several other cases which he had investigated.

The New Yorker

Of a woman's big bust: "Woody's imagination had investigated this".

The Guardian - Books

"It would have been good if we had investigated.

The New York Times

He writes, "Mike had investigated the contents of David's trousers".

The New York Times - Books

Pollard also linked the game to the deaths of two other unnamed teenagers he had investigated.

The Guardian - Tech

Although he was not currently on the watch list, the FBI had investigated and interviewed him.

The Guardian

He had investigated the leak of the C.I.A. officer Valerie Wilson's identity.

The New York Times

The Army told the agents that it had investigated Aguigui for conspiracy to commit murder.

The New Yorker

Short, with a paunch, Vasquez had investigated more than twelve hundred fires.

The New Yorker

Expert writing Tips

Best practice

When using "had investigated", ensure it's followed by the subject of the investigation. For instance, "The police had investigated the crime scene" provides clarity and context.

Common error

Avoid using "had investigated" when the context requires a simpler past tense. For example, instead of "They had investigated the issue yesterday", use "They investigated the issue yesterday" when the time frame is explicitly stated.

Linguistic Context

The phrase "had investigated" functions as the past perfect tense of the verb 'investigate'. It is used to indicate that an action of investigation was completed at some point in the past before another action also in the past. Ludwig confirms this grammatical structure is correct.

Expression frequency: Very common

Frequent in

News & Media

80%

Science

10%

Formal & Business

5%

Less common in

Encyclopedias

1%

Wiki

1%

Reference

1%

Ludwig's WRAP-UP

In summary, "had investigated" is a grammatically sound and frequently used past perfect construction that indicates an investigation was completed before another point in the past. Ludwig confirms the phrase's correctness. Its prevalence in news and media demonstrates its wide applicability. To ensure accuracy, focus on maintaining proper tense sequencing. Consider alternatives such as "had examined" or "had looked into" depending on the desired nuance. Pay close attention to the context to ensure precise and effective communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

had examined

Focuses on a detailed inspection or scrutiny of something.

had looked into

Implies a less formal inquiry or initial examination.

had reviewed

Indicates a formal assessment or evaluation.

had inquired into

Suggests a more formal or official investigation.

had analyzed

Implies a careful and detailed examination for explanation.

had probed

Indicates a thorough and often intrusive investigation.

had researched

Focuses on a systematic study and gathering of information.

had scrutinized

Emphasizes a very careful and critical examination.

had delved into

Suggests a deep and thorough exploration of a topic.

had checked out

A more informal way to describe a quick investigation or verification.

FAQs

How to use "had investigated" in a sentence?

Use "had investigated" to describe an action of investigating that was completed before another action in the past. For example, "By the time the trial began, the detectives "had investigated" all possible leads."

What can I say instead of "had investigated"?

You can use alternatives like "had examined", "had looked into", or "had researched" depending on the specific context.

Which is correct, "had investigated" or "investigated"?

"Had investigated" is used for actions completed before another point in the past, while "investigated" is used for simple past actions. The correct choice depends on the intended sequence of events.

What's the difference between "had investigated" and "were investigating"?

"Had investigated" indicates a completed action in the past before another past action, while "were investigating" indicates a continuous action in the past. For example, "They "had investigated" the crime before the trial began" versus "They "were investigating" the crime when the new evidence surfaced".