| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [not/n't] been able | 68 |
|
| 2 | has not been able | 68 |
|
| 3 | has [adv] been able | 62 |
|
| 4 | has not been able | 43 |
|
| 5 | has n't been able | 25 |
|
| 6 | has never been able | 13 |
|
| 7 | has never been able | 13 |
|
| 8 | has ever been able | 11 |
|
| 9 | has ever been able | 11 |
|
| 10 | has also been able | 9 |
|
| 11 | has also been able | 9 |
|
| 12 | has only been able | 6 |
|
| 13 | has only been able | 6 |
|
| 14 | has yet been able | 6 |
|
| 15 | has yet been able | 6 |
|
| 16 | has always been able | 5 |
|
| 17 | has always been able | 5 |
|
