| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] to be | 671 |
|
| 2 | [vb past] [vb pp] to be | 637 |
|
| 3 | they [vb past] [vb pp] to | 298 |
|
| 4 | they [vb pp] to be | 8 |
|
