| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] for [noun pl] | 2519 |
|
| 2 | [v-ing] back for | 83 |
|
| 3 | [v-ing] back [noun pl] | 80 |
|
| 4 | back for [noun pl] | 37 |
|
