Unit 84. Relative clauses (1) – clauses with who/that/which But sometimes you must use who for people – see Unit 87. I don’t like stories that have unhappy endings. Jerry works for a company that makes typewriters. Everything that happened was my fault. The window that was broken has now been repaired. You can also use which for things (but not for people):Where are the eggs which were in the refrigerator? That is more usual than which in the sentences in this unit. But sometimes you must use which – see Unit 87. Remember that we use who/that/which instead of he/she/they/it:? Do you know the man who lives next door? (not. .. who he lives …) Now study the next unit for more information about relative clauses.