| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | look [prep] [pers pn] [adv] before | 7 |
|
| 2 | look [prep] [pers pn] [adv] before | 7 |
|
| 3 | look [prep] [pers pn] before [verb] | 7 |
|
| 4 | look [prep] [pers pn] before [v-ing] | 7 |
|
