| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] to be | 751 |
|
| 2 | [not/n't] [vb pp] to be | 598 |
|
| 3 | [not/n't] been [vb pp] to | 176 |
|
| 4 | [not/n't] been [vb pp] be | 16 |
|
