| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [noun] it [be] | 143 |
|
| 2 | [prep] [Wh det] case [pron] [be] | 82 |
|
| 3 | [prep] [Wh det] case [pers pn] [be] | 64 |
|
| 4 | [prep] [pron] case it [be] | 63 |
|
| 5 | [prep] [Wh det] case it [be] | 38 |
|
