| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] be able [prep] [be] | 23 |
|
| 2 | [modal v] not be able [prep] [be] | 16 |
|
| 3 | [modal v] [not/n't] be able [prep] [be] | 16 |
|
| 4 | [modal v] n't be [adj] [prep] [be] | 11 |
|
| 5 | [modal v] n't be able [prep] [be] | 6 |
|
| 6 | [modal v] n't [be] able [prep] [be] | 6 |
|
