| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] back up the | 49 |
|
| 2 | [vb past] back up the | 49 |
|
| 3 | [vb past] back up [art] | 49 |
|
| 4 | went back up [art] | 9 |
|
| 5 | looked back up [art] | 7 |
|
| 6 | climbed back up [art] | 5 |
|
