| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | back [coord] [verb] at [art] [noun sg] | 18 |
|
| 2 | back and [verb] at [art] [noun sg] | 18 |
|
| 3 | back and [verb] at [art] [noun sg] | 18 |
|
| 4 | back [conj] [verb] at [art] [noun sg] | 18 |
|
| 5 | back [conj] [verb] at the [noun sg] | 18 |
|
| 6 | back [conj] [vb past] at [art] [noun sg] | 9 |
|
| 7 | back [conj] look at [art] [noun sg] | 8 |
|
