| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [verb] at [art] [noun] | 11 |
|
| 2 | back [verb] at [art] [noun sg] | 6 |
|
| 3 | [verb] back [verb] at [art] | 12 |
|
| 4 | [v-ing] back [verb] at [art] | 6 |
|
| 5 | back [conj] [verb] at [art] | 25 |
|
| 6 | back [coord] [verb] at [art] | 25 |
|
| 7 | back and [verb] at [art] | 25 |
|
| 8 | back and [verb] at [art] | 25 |
|
