| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] the back | 184 |
|
| 2 | [vb past] the back | 175 |
|
| 3 | rubbed the back | 13 |
|
| 4 | hit the back | 10 |
|
| 5 | [vb past] the backs | 9 |
|
| 6 | wiped the back | 8 |
|
| 7 | stroked the back | 7 |
|
| 8 | opened the back | 7 |
|
| 9 | broke the back | 5 |
|
