| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [vb pp] to a | 347 |
|
| 2 | [prep] [Wh det] be [vb pp] to | 282 |
|
| 3 | [Wh det] be [vb pp] to a | 80 |
|
| 4 | [prep] [Wh det] be [vb pp] a | 78 |
|
