| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] who have [not/n't] been | 15 |
|
| 2 | people [Wh pn] have [not/n't] been | 14 |
|
| 3 | [n mass] [Wh pn] have not been | 13 |
|
| 4 | [n mass] [Wh pn] have [not/n't] been | 11 |
|
