| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun pl] [v-ing] back | 67 |
|
| 2 | [adj] [noun pl] dating back | 21 |
|
| 3 | [adj] [noun pl] going back | 14 |
|
| 4 | [num] [noun pl] [v-ing] back | 12 |
|
| 5 | [det] [noun pl] [v-ing] back | 8 |
|
| 6 | [adj] [noun pl] coming back | 8 |
|
| 7 | two [noun pl] [v-ing] back | 5 |
|
| 8 | two [noun pl] [v-ing] back | 5 |
|
