| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [be] [noun] [prep] | 236 |
|
| 2 | it [be] [noun] [prep] [pos pn] | 172 |
|
| 3 | [subord] it [be] [prep] [pos pn] | 162 |
|
| 4 | [subord] [be] [noun] [prep] [pos pn] | 12 |
|
