| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [be] be | 1131 |
|
| 2 | [be] be used | 667 |
|
| 3 | [Wh det] be used | 538 |
|
| 4 | [Wh det] [be] used | 538 |
|
