| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] back [prep] the [num ord] | 68 |
|
| 2 | [v-ing] back to the [num ord] | 53 |
|
| 3 | dating back [prep] the [num ord] | 32 |
|
| 4 | [v-ing] back [prep] the last | 13 |
|
| 5 | going back [prep] the [num ord] | 13 |
|
| 6 | [v-ing] back [prep] the first | 8 |
|
| 7 | [v-ing] back over the [num ord] | 7 |
|
| 8 | looking back [prep] the [num ord] | 6 |
|
