| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back up the [noun sg] [prep] | 28 |
|
| 2 | back up the [noun sg] [prep] | 28 |
|
| 3 | back up the [noun sg] towards | 12 |
|
| 4 | back up the [noun sg] towards | 12 |
|
| 5 | back up the slope [prep] | 6 |
|
| 6 | back up the [noun sg] to | 6 |
|
| 7 | back up the hill [prep] | 6 |
|
| 8 | back up the [noun sg] to | 6 |
|
