| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [be] [verb] [prep] [be] | 834 |
|
| 2 | [pron] [be] require [prep] [be] | 24 |
|
| 3 | [Wh det] [be] require [prep] [be] | 13 |
|
