| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] along the | 173 |
|
| 2 | [v-ing] back along the | 22 |
|
| 3 | be [v-ing] back the | 21 |
|
| 4 | be [v-ing] back along | 6 |
|
