| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [vb pp] [prep] | 10594 |
|
| 2 | [to-vb] been [vb pp] [prep] | 1535 |
|
| 3 | [vb base] [to-vb] [vb pp] [prep] | 291 |
|
| 4 | [vb base] [to-vb] been [vb pp] | 230 |
|
| 5 | [vb base] [to-vb] been [prep] | 31 |
|
