| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [v-ing] [prep] [art] | 9678 |
|
| 2 | [v-ing] back [prep] [art] | 1550 |
|
| 3 | [noun pl] back [prep] [art] | 474 |
|
| 4 | [noun pl] [v-ing] back [prep] | 180 |
|
| 5 | [noun pl] [v-ing] back [art] | 11 |
|
