| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb -s] been | 19650 |
|
| 2 | [pron] [vb -s] not | 18609 |
|
| 3 | [vb -s] not been | 3090 |
|
| 4 | [pron] not been | 266 |
|
