| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] be unable [to-vb] [prep] | 7 |
|
| 2 | [vb mod] [vb infin] be unable [to-vb] [prep] | 7 |
|
| 3 | would [vb infin] be unable [to-vb] [prep] | 5 |
|
| 4 | would [vb infin] be unable [to-vb] [prep] | 5 |
|
| 5 | [vb infin] be unable [to-vb] [prep] [art] | 5 |
|
| 6 | [vb infin] be unable [to-vb] [prep] [art] | 5 |
|
