| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back on [adj] | 209 |
|
| 2 | look back [prep] [adj] | 149 |
|
| 3 | look [adv] on [adj] | 102 |
|
| 4 | look [adv prt] on [adj] | 91 |
|
| 5 | look back on [adj] | 57 |
|
