| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have n't been able | 171 |
|
| 2 | [noun] [pron] have been able | 124 |
|
| 3 | [noun] [pron] have n't been | 97 |
|
| 4 | [noun] have n't been able | 31 |
|
