| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and so be unable | 6 |
|
| 2 | and so [be] unable | 6 |
|
| 3 | and so [was/were] unable | 5 |
|
| 4 | and so unable [verb] | 5 |
|
| 5 | and so unable [to-vb] | 5 |
|
