| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] back [conj] [v-ing] [art] [adj] | 8 |
|
| 2 | [verb] back [conj] [v-ing] [art] [adj] | 8 |
|
| 3 | back [conj] [v-ing] [art] [adj] [noun] | 10 |
|
| 4 | back [conj] [v-ing] [art] [adj] [noun sg] | 8 |
|
