| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it [be] | 40914 |
|
| 2 | it [be] [noun] | 16246 |
|
| 3 | [subord] [be] [noun] | 669 |
|
| 4 | [subord] it [noun] | 74 |
|
