| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] looked back | 15 |
|
| 2 | [verb] never looked back | 14 |
|
| 3 | has [adv] looked back | 8 |
|
| 4 | [vb -s] [adv] looked back | 8 |
|
| 5 | [vb base] [adv] looked back | 7 |
|
| 6 | 've [adv] looked back | 5 |
|
