| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [verb] back [prep] | 193 |
|
| 2 | [adv] look back [prep] | 116 |
|
| 3 | n't look [adv] [prep] | 80 |
|
| 4 | [not/n't] look back [prep] | 13 |
|
| 5 | not look back [prep] | 13 |
|
| 6 | n't look back [prep] | 5 |
|
