| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [noun] [adv] [prep] | 288 |
|
| 2 | [v-ing] back [prep] [noun] [prep] | 109 |
|
| 3 | back [prep] [noun] [adv] [prep] | 67 |
|
| 4 | [v-ing] back [prep] [noun] [adv] | 49 |
|
| 5 | [v-ing] back [prep] [adv] [prep] | 12 |
|
