| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [pron] [verb] not been able | 15 |
|
| 2 | [Wh det] [pron] [verb] [adv] been able | 14 |
|
| 3 | [Wh det] [pron] [verb] not been [adj] | 12 |
|
| 4 | [Wh det] [pron] [verb] [not/n't] been able | 11 |
|
| 5 | [Wh det] [pron] [verb] not been able | 11 |
|
| 6 | [Wh det] [pron] [verb] not be able | 9 |
|
| 7 | [Wh det] [pron] [verb] not [been] able | 9 |
|
| 8 | [Wh det] [pron] [verb] not [be] able | 9 |
|
