| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] back [prep] [art] [num] | 41 |
|
| 2 | [v-ing] back [prep] the [num] | 37 |
|
| 3 | [v-ing] back [prep] the [num] | 37 |
|
| 4 | [v-ing] back to [art] [num] | 29 |
|
| 5 | dating back [prep] [art] [num] | 12 |
|
| 6 | going back [prep] [art] [num] | 10 |
|
| 7 | looking back [prep] [art] [num] | 6 |
|
