| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] back [coord] [vb infin] at | 12 |
|
| 2 | [vb infin] back [coord] [vb infin] at | 7 |
|
| 3 | go back [coord] [vb infin] at | 6 |
|
| 4 | [to-vb] back [coord] [vb infin] at | 5 |
|
| 5 | back [coord] [vb infin] at [pron] | 7 |
|
