| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [noun] | 16246 |
|
| 2 | [be] [letter] [noun] | 534 |
|
| 3 | it [be] [letter] | 210 |
|
| 4 | it [letter] [noun] | 42 |
|
