| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been able [to-vb] the [noun] | 24 |
|
| 2 | not been able [verb] the [noun] | 24 |
|
| 3 | not been able [verb] the [noun sg] | 17 |
|
| 4 | not been able [verb] the [noun pl] | 7 |
|
