| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] not [be] able [verb] [prep] | 149 |
|
| 2 | [vb mod] [adv] [be] able [verb] to | 54 |
|
| 3 | [vb mod] [not/n't] [be] able [verb] to | 32 |
|
| 4 | [vb mod] not [be] able [verb] to | 32 |
|
| 5 | [vb mod] not [be] [adj] [verb] to | 31 |
|
| 6 | [modal v] not [be] able [verb] to | 17 |
|
