| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] a [noun] of | 4424 |
|
| 2 | it [be] a [noun] [Wh det] | 605 |
|
| 3 | [be] a [noun] of [Wh det] | 193 |
|
| 4 | it [be] [noun] of [Wh det] | 6 |
|
