| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [verb] at [art] [noun] | 1358 |
|
| 2 | what [be] [verb] [prep] [art] [noun] | 805 |
|
| 3 | [Wh det] [be] [verb] at [art] [noun] | 197 |
|
| 4 | what [be] [verb] at [art] [noun] | 45 |
|
