| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] looked back [prep] | 10 |
|
| 2 | [noun pl] look back at | 7 |
|
| 3 | [noun pl] look back on | 6 |
|
| 4 | [noun pl] looking back [prep] | 6 |
|
| 5 | [noun pl] look back to | 5 |
|
