| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [conj] [verb] [adv] | 264 |
|
| 2 | look back [conj] [verb] | 65 |
|
| 3 | look [conj] [verb] [adv] | 43 |
|
| 4 | look back [conj] [adv] | 7 |
|
| 5 | look back [verb] [adv] | 5 |
|
