| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [be] able [verb] | 2260 |
|
| 2 | [not/n't] [be] [verb] to | 1081 |
|
| 3 | [be] able [verb] to | 567 |
|
| 4 | [not/n't] [be] able to | 121 |
|
| 5 | [not/n't] able [verb] to | 15 |
|
