| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when i [verb] back on | 13 |
|
| 2 | when i [verb] back on | 13 |
|
| 3 | when i [verb] back on | 13 |
|
| 4 | when i [vb base] back on | 11 |
|
| 5 | when i look back on | 11 |
|
| 6 | when i look back on | 10 |
|
