| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [be] [noun] | 1406 |
|
| 2 | it [be] [noun] [Wh pn] | 910 |
|
| 3 | [subord] [be] [noun] [Wh pn] | 6 |
|
