1. Kelly was tired, so she did not water the plants.
2. harry had a toothache, so he did not eat his food.
3. the supermarket wasn't opened, so jim didn't go shopping.
4. isabel was ill, so she didn't go to school.
5. tom was away, so he didn't come to the birthday party.
6. there was a lot of rain, so we did not go out and play.