| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [pron] had [adv] been able | 11 |
|
| 2 | [noun pl] [pers pn] had [adv] been able | 8 |
|
| 3 | [noun pl] had [adv] been able [to-vb] | 6 |
|
| 4 | [noun pl] had [adv] been able [verb] | 6 |
|
