| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [prep] a [noun] | 210 |
|
| 2 | [Wh det] is [prep] a [noun] | 45 |
|
| 3 | [Wh det] it is [prep] [noun] | 28 |
|
| 4 | [Wh det] it is a [noun] | 27 |
|
| 5 | [Wh det] it is [prep] a | 16 |
|
