| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [adj] | 9879 |
|
| 2 | back [prep] a [adj] | 574 |
|
| 3 | [v-ing] back [prep] [adj] | 473 |
|
| 4 | [v-ing] back [prep] a | 153 |
|
| 5 | [v-ing] back a [adj] | 38 |
|
