| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | before [v-ing] [pron] [adv] [prep] [art] | 44 |
|
| 2 | [prep] [v-ing] [pron] back [prep] [art] | 29 |
|
| 3 | [prep] [v-ing] [pron] back [prep] [art] | 29 |
|
| 4 | before [v-ing] [pron] back [prep] [art] | 5 |
|
| 5 | before [v-ing] [pron] back [prep] [art] | 5 |
|
| 6 | before [v-ing] [pron] back [prep] [art] | 5 |
|
| 7 | before [verb] [pron] back [prep] [art] | 5 |
|
