| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been at [adj] pains | 7 |
|
| 2 | have been [prep] [adj] pains | 7 |
|
| 3 | [verb] been at [adj] pains | 7 |
|
| 4 | [verb] been [prep] [adj] pains | 7 |
|
| 5 | [vb past] been [prep] [adj] pains | 6 |
|
| 6 | had been [prep] [adj] pains | 6 |
|
