| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh det] [is] | 12688 |
|
| 2 | [noun] [to-vb] [Wh det] | 2525 |
|
| 3 | [noun] [to-vb] [is] | 1110 |
|
| 4 | [to-vb] [Wh det] [is] | 968 |
|
