A Structure & Academic Example
The simple past is used to describe completed actions, historical events, research activities, and past situations that happened at a finished time. At the CLB 9+ level, the simple past is commonly used in academic writing, business reports, news articles, and professional presentations to explain what happened, when it happened, and how events developed.
- Researchers conducted a nationwide survey in 2024.
- The government introduced new immigration policies last year.
- The company expanded its operations across Western Canada in 2022.
- Scientists published their findings in a leading medical journal.
- The committee approved the proposal after several months of discussion.
In 2023, researchers conducted a large international study on renewable energy. They collected data from more than thirty countries and analyzed the results over a two-year period. Their report identified several effective strategies for reducing carbon emissions and provided valuable recommendations for future environmental policy.
Tip: The simple past describes completed actions at a finished time. It often appears with time expressions such as yesterday, last year, in 2023, two weeks ago, and during the conference. Unlike the present perfect, the simple past answers the question "When did it happen?"
B Completed Events & Historical Facts
The simple past is commonly used to describe historical events, completed projects, major discoveries, and important decisions that happened at a specific time in the past. Because these events are finished, the simple past is the preferred tense in history, biographies, news reports, and academic writing.
Focus on completed events at a finished time.
- The World Health Organization launched the campaign in 2018.
- Scientists discovered a new species during the expedition.
- The company opened its first international office in 2015.
- Researchers published their results after completing the study.
- The committee approved the proposal during yesterday's meeting.
During the twentieth century, many countries introduced major public health reforms that improved life expectancy. Governments invested in hospitals, researchers developed new vaccines, and medical professionals reduced the spread of several infectious diseases. These efforts transformed healthcare systems and significantly improved public health around the world.
Tip: When describing history or completed events, writers almost always use the simple past. Notice that these sentences usually include a finished time reference, such as in 2015, during the expedition, last year, or after the study, making it clear that the event is complete.
C Research Methods, Case Studies & Professional Reports
The simple past is widely used to describe research methods, completed investigations, case studies, and professional reports. It explains what researchers, organizations, or professionals did during a completed project. Because every stage of the work has already finished, the simple past helps present information in a clear, logical sequence.
Focus on completed procedures and findings.
- Researchers interviewed more than 500 participants.
- The team analyzed the survey results carefully.
- The committee reviewed the proposal before making a decision.
- Scientists recorded the observations over six months.
- The investigators compared the results with previous studies.
The research team interviewed hundreds of participants from different regions of Canada and collected detailed information about their daily transportation habits. After organizing the responses, the researchers analyzed the data, compared the results with previous studies, and identified several factors that influenced public transit use. Finally, they presented their findings at an international transportation conference.
Tip: Research papers and professional reports usually describe methods and results using the simple past because the study has already been completed. Readers expect a clear sequence of completed actions, such as collected, analyzed, compared, identified, and reported.
D Narratives, Chronology & Cause-and-Effect
The simple past is the primary tense for writing narratives, historical accounts, case studies, and professional reports. It helps writers present events in chronological order while clearly explaining cause-and-effect relationships. Using the simple past allows readers to follow a sequence of completed actions from beginning to end.
Focus on completed events in chronological order.
- The company launched a new product and quickly expanded into international markets.
- The researchers collected the data before they analyzed the results.
- The city improved public transportation, which reduced traffic congestion.
- The committee reviewed the proposal before it approved the final recommendation.
- The government introduced new regulations that encouraged cleaner energy production.
Last year, a technology company identified several weaknesses in its cybersecurity system. The management team developed a comprehensive improvement plan and invested in advanced security software. Employees completed specialized training, while technicians installed additional security measures throughout the organization. As a result, the company reduced security risks, improved customer confidence, and strengthened its overall digital infrastructure.
Tip: The simple past helps readers understand what happened first, what happened next, and what happened as a result. For this reason, it is the preferred tense for case studies, business reports, historical writing, and narrative essays, where events must be presented in a clear, logical sequence.
E Key Points to Remember
Remember these key ideas:
- Use the simple past to describe completed actions, historical events, research methods, case studies, and professional reports.
- The simple past answers the question "When did it happen?" It is normally used with finished time expressions such as yesterday, last year, in 2022, two months ago, and during the conference.
- Academic writers often use the simple past to describe research procedures, data collection, experiments, findings, and completed projects.
- Use the simple past when describing events in chronological order or explaining cause-and-effect relationships.
- Do not use the simple past when the action is connected to the present and the exact time is unknown or unimportant. In those situations, the present perfect is usually the better choice.
✓ Researchers conducted the study in 2023.
✓ The company opened its new office last year.
✓ Scientists published the results after the experiment.
✓ The committee approved the proposal during yesterday's meeting.
✗ Researchers conducted several important studies so far.
✗ The company opened three international offices this year. (when the year is not finished)
✗ Scientists published many important discoveries already.
✗ The organization completed several projects since 2022.