D Rewrite the sentences using the causative. e.g. Brian's mum is going to lengthen his jeans. Brian is going to have his jeans lengthened. 21 The doctor examined Jennifer's arm yesterday. Jennifer.......................................................................................................... 22 Ned's father will repair the zip on his schoolbag. Ned.......................................................................................................... 23 The dentist has filled Tom's tooth. Tom.......................................................................................................... 24 The hairdresser is doing my sister's hair. My sister..........................................................................................................

Here are the sentences rewritten using the causative form: 21. The doctor examined Jennifer's arm yesterday. Jennifer **had her arm examined** yesterday. *Explanation:* We use 'have/has + object + past participle' to indicate that Jennifer caused someone else (the doctor) to examine her arm. 22. Ned's father will repair the zip on his schoolbag. Ned **will have the zip repaired** on his schoolbag. *Explanation:* We use 'have/has + object + past participle' to indicate that Ned will cause someone else (his father) to repair the zip. 23. The dentist has filled Tom's tooth. Tom **has had his tooth filled**. *Explanation:* We use 'have/has + object + past participle' to indicate that Tom caused someone else (the dentist) to fill his tooth. 24. The hairdresser is doing my sister's hair. My sister **is having her hair done**. *Explanation:* We use 'have/has + object + past participle' to indicate that my sister is causing someone else (the hairdresser) to do her hair.