| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] a bad [noun] | 182 |
|
| 2 | [vb pp] a [adj] back | 22 |
|
| 3 | [verb] a bad back | 12 |
|
| 4 | [vb pp] [art] bad back | 9 |
|
| 5 | [vb pp] [art] bad back | 9 |
|
| 6 | [vb pp] a bad back | 8 |
|
