| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] for a | 2004 |
|
| 2 | 's be [vb pp] for | 64 |
|
| 3 | 's be [vb pp] a | 25 |
|
| 4 | 's [vb pp] for a | 9 |
|
