| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] [vb -s] to be | 201 |
|
| 2 | [prep] [vb -s] to be | 13 |
|
| 3 | [prep] [Wh pn] [vb -s] to | 12 |
|
