| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [is] [verb] [prep] [art] [noun] | 1605 |
|
| 2 | [pron] [is] [to-vb] [prep] [art] [noun] | 124 |
|
| 3 | [Wh det] [be] [to-vb] [prep] [art] [noun] | 53 |
|
| 4 | [Wh det] [is] [to-vb] [prep] [art] [noun] | 24 |
|
