| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] be | 10899 |
|
| 2 | [subord] [prep] [Wh det] | 1435 |
|
| 3 | [subord] [prep] be | 701 |
|
| 4 | [subord] [Wh det] be | 234 |
|
