| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [conj] [art] [adj] | 6772 |
|
| 2 | back [conj] [art] [adj] | 78 |
|
| 3 | [vb pp] back [conj] [art] | 47 |
|
| 4 | [vb pp] back [art] [adj] | 29 |
|
| 5 | [vb pp] back [conj] [adj] | 13 |
|
