| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] [verb] [prep] [noun] | 344 |
|
| 2 | [pron] [is] [verb] at [noun] | 224 |
|
| 3 | [Wh det] [is] [verb] at [noun] | 80 |
|
| 4 | what [be] [verb] at [noun] | 38 |
|
| 5 | what [is] [verb] at [noun] | 26 |
|
