您好，九年级英语一单元的常见短语有：
1. go shopping 购物
2. take a walk 散步
3. have a picnic 野餐
4. go swimming 去游泳
5. play sports 运动
6. visit relatives 探亲访友
7. go on a trip 去旅行
8. do housework 做家务
9. attend a party 参加派对
10. have a barbecue 烧烤
11. go hiking 去徒步旅行
12. watch a movie 看电影
13. listen to music 听音乐
14. read a book 读书
15. go camping 去露营
16. play video games 玩电子游戏
17. go to the beach 去海滩
18. have a sleepover 过夜
19. cook dinner 做晚餐
20. go to the amusement park 去游乐园
