| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [pers pn] have not been able | 10 |
|
| 2 | [noun pl] [pron] have not been able | 8 |
|
| 3 | [noun pl] [pron] have n't been able | 8 |
|
| 4 | [noun pl] [pron] have not been able | 7 |
|
| 5 | [noun pl] [pron] had not been able | 7 |
|
