| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] and [vb infin] for | 124 |
|
| 2 | back and [vb infin] [prep] | 81 |
|
| 3 | back and [vb infin] [prep] | 81 |
|
| 4 | back and [verb] for | 52 |
|
| 5 | back [conj] [vb infin] for | 18 |
|
| 6 | back and [vb infin] for | 18 |
|
