| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] have been at [noun pl] [to-vb] | 5 |
|
| 2 | [noun prp] [verb] been at pains [to-vb] | 5 |
|
| 3 | [noun prp] [verb] been at [noun pl] [to-vb] | 5 |
|
