Module 1: Build-Up Practice

Master key vocabulary, transition phrases, and grammar structures for writing about accident inquiries and investigations.

Use these structures when discussing past actions that should have happened, were possible, or were likely overlooked in an investigation.

1. The lead [investigate] examined the wreckage to determine the cause of the crash.

2. Official public [inquire] were launched immediately following the train derailment.

3. Regular safety [maintain] is essential to prevent catastrophic gear failure.

4. The cargo ships narrowly avoided a fatal [collide] in dense fog.

5. Neglecting safety warnings led to a [disaster] outcome for the entire facility.

1. The government decided to launch a public ____ into the industrial explosion.

2. Search teams retrieved the flight data ____ from the seabed.

3. Forensic specialists carefully examined the twisted ____ at the crash site.

4. The official panel will present its official ____ to the minister next week.

5. A temporary ____ in concentration contributed to the operator's error.

1. ____, safety regulations have improved over recent years; however, human error remains a persistent threat.

2. ____ strict protocols, occasional lapses in maintenance still occur.

3. ____ official inquiries place too much emphasis on individual fault rather than systemic flaws.

4. Mechanical repairs can be completed quickly. ____, altering corporate safety culture requires long-term effort.

5. Crucial warnings were repeatedly ignored. ____, a major disaster occurred shortly after takeoff.

Original:

"Investigators believe pilot fatigue caused the accident."

Paraphrase:

Original:

"The maintenance team failed to report the damaged component."

Paraphrase:

Original:

"Inspectors overlooked a serious lapse in security checks."

Paraphrase:

1. The tragic train collision [could / prevent] if automatic braking systems had been active.

2. Staff members [should / tell] about the equipment failure immediately after the first warning.

3. Key evidence from the flight data recorder [must / overlook] by the initial team.

Module 2: The Task

Now it is time to write your essay. Read the prompt, follow the paragraph plan, and draft your complete response below.

"After a serious accident, a public inquiry is often held. Why do accidents of this kind still happen, and what can an inquiry do to reduce the chance of another one?"

Use these exact starters to open each paragraph in your essay:

Verify your response against these four key criteria:

Module 3: Model Essay

Study this C1 model answer to see how target vocabulary, required starters, and passive perfect patterns come together naturally.

Below is a complete essay written in a clear C1 voice. Read through the essay to observe how complex grammatical structures highlight past possibilities, missed duties, and general beliefs during investigations. Each target pattern is highlighted with a simple note explaining how the structure functions in the sentence.