| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] [vb infin] [pron] [prep] [art] | 102 |
|
| 2 | back [conj] [verb] [pron] [prep] [art] | 34 |
|
| 3 | back [conj] [vb infin] [pron] [prep] [art] | 7 |
|
