| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [to-vb] [det] | 4175 |
|
| 2 | [vb past] [to-vb] be | 1094 |
|
| 3 | [vb past] be [det] | 842 |
|
| 4 | [to-vb] be [det] | 270 |
|
