| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] a [noun] | 4401 |
|
| 2 | [prep] a [noun] [no cls] | 675 |
|
| 3 | it [prep] a [no cls] | 27 |
|
| 4 | it [prep] [noun] [no cls] | 17 |
|
