| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for [art] | 10965 |
|
| 2 | [v-ing] back [art] | 399 |
|
| 3 | back for [art] | 227 |
|
| 4 | [v-ing] back for | 83 |
|
