| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [noun] | 16269 |
|
| 2 | it be [to-vb] | 2237 |
|
| 3 | be [noun] [to-vb] | 2187 |
|
| 4 | it [noun] [to-vb] | 34 |
|
