| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [pron] [be] | 1376 |
|
| 2 | it [be] [Wh det] [be] | 48 |
|
| 3 | [pron] [be] which [be] | 30 |
|
| 4 | it [be] which [be] | 5 |
|
