| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be a [noun] | 19886 |
|
| 2 | be a [noun] [Wh pn] | 919 |
|
| 3 | it be [noun] [Wh pn] | 910 |
|
| 4 | it a [noun] [Wh pn] | 5 |
|
