Defining Relative Clauses

• We use defining relative clauses to explain which person, thing, or place we mean. We use who for people, which or that for things, and where for places.
• Relative Pronoun
• Use
• Example
• who / that
• people
• This is the product manager who works in Boston.
• which / that
• things
• It is a design tool that helps us.
• where
• places
• This is the studio where the team sits.
• Remember
• Use 'who' or 'that' for people.
• Use 'which' or 'that' for things and software.
• Use 'where' for places like offices or studios.
• Do not omit the relative pronoun when it is the subject of the clause.
• Examples
• She is the UX researcher who talks to users every day.
• This is the software which we use for wireframes.
• That is the agency where my senior designer works.
• Common mistakes
• He is the designer which creates apps.
• He is the designer who creates apps.
• This is the office who we work in.
• This is the office where we work.

Complete the sentences

• She is the designer (who) ____ makes mobile apps in Seattle.
• This is the app (which) ____ runs on iOS devices.
• That is the studio (where) ____ our team meets clients.
• He is the developer (that) ____ writes code in Austin.
• Here is the tool (that) ____ helps us test prototypes.
• She is the person (who) ____ manages the project in New York.

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