| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of been [det] | 21 |
|
| 2 | of been [det] | 21 |
|
| 3 | [prep] been [det] | 21 |
|
| 4 | [prep] been some | 6 |
|
| 5 | [prep] been more | 5 |
|
