Level: B1 (Intermediate)
Content Objective: Students learn about the race between Alexander Graham Bell and Elisha Gray to patent the telephone in 1876, and the famous first phone call that followed.
Language Objective: Students practice using the past simple and past continuous together to describe finished actions, background actions, and actions happening at the same time.

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1. Reading Section

A Race Against the Clock

On the morning of February 14, 1876, a lawyer walked into the patent office in Washington, D.C. He was carrying a document for a young inventor named Alexander Graham Bell. Bell wasn’t there himself — he was in Boston, still working on his invention. But his lawyer knew that speed mattered.

While Bell’s lawyer was filing the paperwork, another inventor was preparing a very similar document. His name was Elisha Gray. Gray had also been working for months on a machine that could send the human voice through a wire. Neither man knew for certain how close the other one was.

Bell’s application arrived at the patent office first. It was the fifth document handed in that day. A few hours later, while officials were still processing Bell’s paperwork, Gray’s application arrived. It was the thirty-ninth. Nobody realized yet how important those few hours would become.

For the next three weeks, patent officers were reviewing both documents. On March 7, 1876, the office finally made its decision. Bell received the patent. His invention was officially called an “Improvement in Telegraphy.”

But the story didn’t end there. While Bell was celebrating his success, Gray was preparing a legal challenge. He believed that Bell had used one of his ideas — a method involving a wire and liquid, which helped carry sound more clearly. The two men, and later their lawyers, argued about this idea for years. Courts eventually sided with Bell, but people still debate the story today.

Three days after receiving his patent, on March 10, 1876, Bell was working in his lab with his assistant, Thomas Watson. Watson was sitting in the next room when Bell suddenly called out through the device: “Mr. Watson, come here, I want to see you.” Watson heard every word. It was the first time a human voice had traveled clearly through a telephone.

That short sentence changed the world. While Bell and Watson were testing a simple machine in a small lab, they were also opening the door to a new age of communication.

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2. Vocabulary Section

Word / Phrase	Meaning	Example
patent	an official document that gives an inventor the only legal right to make or sell an invention	Bell received his patent in March 1876.
lawyer	a person trained in law who handles legal documents and cases	Bell’s lawyer filed the application for him.
document	an official paper containing important information	Both men submitted a document that day.
inventor	a person who creates something new	Gray was also a talented inventor.
official (adj.)	approved by an authority; formally recognized	The office made its official decision in March.
challenge (v.)	to formally question or disagree with a decision	Gray decided to challenge the patent office’s ruling.
debate	a discussion in which people disagree, often for a long time	People still debate who truly invented the telephone.
device	a piece of equipment made for a particular purpose	Bell spoke into the device and Watson heard him.

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3. Example Sentences (Target Grammar in Use)

• Bell’s lawyer was filing the paperwork when Gray’s application arrived.
• While officials were reviewing the documents, Bell waited nervously in Boston.
• Gray was preparing a legal challenge after Bell won the patent.
• Watson was sitting in the next room when Bell called out to him.
• While Bell and Watson were testing the device, they made history.

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4. Grammar Section

Past Simple vs. Past Continuous

We use the past continuous (was/were + verb-ing) for an action that was already in progress at a specific moment in the past — often as the “background” to a shorter, completed action, which we describe with the past simple.

Subject	Past Continuous	Example
I / He / She / It	was + verb-ing	Bell was working in his lab.
You / We / They	were + verb-ing	Officials were reviewing the documents.

Three common patterns:

1. A longer action interrupted by a shorter one: Watson was sitting in the next room when Bell called out. (background action + interrupting event)
2. Two actions happening at the same time: While Bell was celebrating, Gray was preparing a legal challenge. (two things in progress together)
3. Setting the scene before the main event: Bell’s lawyer was filing the paperwork when Gray’s application arrived. (scene-setting + key moment)

Quick Tip: Look for the signal words while and when. While usually introduces a background action (past continuous). When often introduces the shorter, completed action (past simple) that interrupts it.

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5. Comprehension Questions

A. True or False

1. Bell’s application arrived at the patent office before Gray’s. (True / False)
2. Gray’s application was the fifth one filed that day. (True / False)
3. Bell received his patent on March 7, 1876. (True / False)
4. Watson could not hear Bell’s words clearly. (True / False)

B. Short Answer

5. What was Elisha Gray doing at the same time Bell’s lawyer filed his application?
6. What did Gray believe Bell had done?
7. What were Bell and Watson doing on March 10, 1876?
8. What were Bell’s first words spoken through the telephone?

C. Fill in the Blank (use past simple or past continuous)

9. Bell’s lawyer ______ (file) the papers while Gray ______ (prepare) his own application.
10. While officials ______ (review) the documents, Bell ______ (wait) in Boston.
11. Watson ______ (sit) in the next room when Bell ______ (call) out to him.
12. Bell and Watson ______ (test) the device when they ______ (make) history.

Answer Key

Click here to check your answers

A. True or False

1. Bell’s application arrived at the patent office before Gray’s. — True
2. Gray’s application was the fifth one filed that day. — False (Bell’s was the fifth; Gray’s was the thirty-ninth)
3. Bell received his patent on March 7, 1876. — True
4. Watson could not hear Bell’s words clearly. — False (he heard every word)

B. Short Answer
5. What was Elisha Gray doing at the same time Bell’s lawyer filed his application? — He was preparing a very similar document for his own invention — a machine that could send the human voice through a wire.
6. What did Gray believe Bell had done? — Gray believed Bell had used one of his ideas — a method involving a wire and liquid that helped carry sound more clearly.
7. What were Bell and Watson doing on March 10, 1876? — They were working in Bell’s lab; Bell was in one room and Watson was in the next when Bell called out to him.
8. What were Bell’s first words spoken through the telephone? — “Mr. Watson, come here, I want to see you.”

C. Fill in the Blank (past simple or past continuous)
9. Bell’s lawyer was filing the papers while Gray was preparing his own application.
10. While officials were reviewing the documents, Bell was waiting in Boston.
11. Watson was sitting in the next room when Bell called out to him.
12. Bell and Watson were testing the device when they made history.

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Next lesson: B1 — “Backpacking Across Europe by Train”