| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] had been unable | 77 |
|
| 2 | [noun] had [been] unable | 77 |
|
| 3 | [noun] had be unable | 77 |
|
| 4 | [noun prp] had [be] unable | 29 |
|
| 5 | [noun sg] had [be] unable | 26 |
|
| 6 | [noun pl] had [be] unable | 22 |
|
