Learning Objectives
2 minutes readingWho = people. Which = things. That = both (informal). Where = places. Relative clauses add information!
Grammar Explanation
4 minutes readingConnecting Information
Who (people): "The manager who hired me is retiring."
Which (things): "The app which we launched is popular."
Where (places): "The office where I work is modern."
When to Use Each
Formal: "The report which I sent..."
Neutral: "The report that I sent..."
Note: Don't use "that" after commas!
"I met the designer. She created the logo." → "I met the designer who created the logo." Much cleaner!
Context & Professional Usage
5 minutes readingPeople (who/that)
Things & Places (which/that/where)
Business English Examples
6 minutes readingCorrect Relative Clause Usage
Thing + that + clause
Person + who + clause (with commas for extra info)
Place + where + clause
Thing + which + clause (formal)
Common Mistakes
Use: "The manager who hired me..." (people = who)
Use: "The office where I work..." (place = where)
Don't use "that" after commas. Use: "Sarah, who..."
Professional Listening Exercise
6 minutesListen to a product description:
Sales Rep: Let me show you our new project management tool.
Client: Great. I've heard good things about it.
Sales Rep: This is the dashboard that gives you a real-time overview of all projects.
Client: Nice interface. It looks clean.
Sales Rep: Thank you. The team who designed it focused on simplicity. You can see the tasks which are overdue highlighted in red.
Client: That's useful. Can multiple people use it?
Sales Rep: Absolutely. Team members who have access can collaborate in real time. There's also a chat feature which allows instant communication.
Client: Where is the data stored?
Sales Rep: The servers where we store data are located in Europe, so you're compliant with GDPR.
Client: That's important for us.
Sales Rep: I understand. The security features that we built in are industry-leading. Would you like to see the reporting module?
Client: Yes, please. The reports that we currently create take too long.
Question 1: What does the dashboard show?
Question 2: Where are the servers located?
Question 3: Complete: "The team _______ designed it focused on simplicity."
Quick Comprehension Quiz
4 minutesCorrect relative pronoun for people:
Correct for places:
"That" can replace which word?
Professional Practice Exercises
7 minutesExercise A: Complete with who, which, that, or where
1. The manager _______ trained me is now the CEO.
2. The software _______ we use is very reliable.
3. The building _______ we have our meetings is near the station.
4. The report _______ I wrote was approved yesterday.
Speaking Preparation
4 minutesPractice combining sentences using relative clauses.
Describe colleagues: "The person who... / My manager, who..."
Describe tools you use: "The software which... / The app that..."
Key pronouns: Who (people), Which (things), That (both), Where (places)
Next: Lesson 6.3 - Linking Ideas: Reasons and Purposes
