| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been [verb] | 34532 |
|
| 2 | have been able [verb] | 1511 |
|
| 3 | [pron] have been able | 633 |
|
| 4 | [pron] been able [verb] | 57 |
|
