| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [be] | 6739 |
|
| 2 | [be] [prep] [be] | 71 |
|
| 3 | [be] what [be] | 24 |
|
| 4 | [be] [prep] what | 19 |
|
