| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [prep] a [noun] | 601 |
|
| 2 | it [is] a [noun] [Wh det] | 347 |
|
| 3 | it [prep] a [noun] [Wh det] | 54 |
|
| 4 | [is] [prep] a [noun] [Wh det] | 37 |
|
| 5 | it [is] [prep] [noun] [Wh det] | 8 |
|
