| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be at [noun] | 172 |
|
| 2 | [verb] be at pains | 31 |
|
| 3 | [vb past] be at [noun pl] | 17 |
|
| 4 | [vb past] be [prep] pains | 9 |
|
| 5 | [vb past] be [prep] pains | 9 |
|
| 6 | [vb past] be at pains | 9 |
|
| 7 | [vb past] [be] at pains | 9 |
|
| 8 | [vb past] be at pain | 9 |
|
