| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] we have been unable | 9 |
|
| 2 | [subord] we have been unable | 5 |
|
| 3 | [adv] we have been unable | 5 |
|
| 4 | [adv] we have been unable | 5 |
|
| 5 | we have been unable [to-vb] | 29 |
|
| 6 | we have been unable [verb] | 29 |
|
