| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] a | 17791 |
|
| 2 | [Wh det] [be] [prep] | 5804 |
|
| 3 | [Wh det] [be] a | 3974 |
|
| 4 | [Wh det] [prep] a | 423 |
|
