rewrite each sentence in the causative form. if there's a star at the end of the sentence don't use by

1.an expert tested their drinking water.
2. an electrical checks her smoke alarms once a year.
3.someone is redecorating our flat at the moment. *
4.a vet has examined Megan's pet tarantula.
5.someone's going to cut down the three in my grandparents' garden. *

1. They had their drinking water tested by an expert. 2. She has her smoke alarms checked by an electrician once a year. 3. We are having our flat redecorated at the moment. 4. Megan has had her pet tarantula examined by a vet. 5. My grandparents are going to have the tree in their garden cut down.