| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] on the back | 28 |
|
| 2 | hang on the back | 17 |
|
| 3 | [vb pp] on the back | 11 |
|
| 4 | put on the back | 9 |
|
| 5 | hanging on the back | 9 |
|
| 6 | [v-ing] on the back | 9 |
|
| 7 | [vb past] on the back | 7 |
|
| 8 | carry on the back | 5 |
|
| 9 | hung on the back | 5 |
|
| 10 | put on the back | 5 |
|
