| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] back [coord] [adv] [prep] a | 6 |
|
| 2 | [v-ing] back and [adv] [prep] a | 6 |
|
| 3 | [v-ing] back [conj] [adv] [prep] a | 6 |
|
| 4 | [v-ing] back and [adv] [prep] a | 6 |
|
| 5 | [v-ing] back [adv] [prep] a [adj] | 8 |
|
| 6 | [v-ing] back [adv] [prep] a [adj] | 7 |
|
