| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [pron] had [not/n't] be able | 7 |
|
| 2 | [noun pl] [pron] had [not/n't] [been] able | 7 |
|
| 3 | [noun pl] [pron] had [not/n't] been able | 7 |
|
| 4 | [noun pl] [pers pn] had [not/n't] [be] able | 6 |
|
