| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had never been able | 51 |
|
| 2 | have never been able | 48 |
|
| 3 | 've never been able | 33 |
|
| 4 | has never been able | 13 |
|
| 5 | 'd never been able | 6 |
|
