| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] be able to | 89 |
|
| 2 | n't be able to | 74 |
|
| 3 | not be able to | 47 |
|
| 4 | [not/n't] been able to | 21 |
|
| 5 | [not/n't] being able to | 11 |
|
