| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] not [been] | 3946 |
|
| 2 | [vb past] [been] [det] | 569 |
|
| 3 | [vb past] not [det] | 230 |
|
| 4 | not [been] [det] | 169 |
|
