| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have not been | 2378 |
|
| 2 | [pron] [noun pl] have been | 1461 |
|
| 3 | [noun pl] have not been | 878 |
|
| 4 | [pron] [noun pl] have not | 142 |
|
