| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [is] [verb] [prep] | 2250 |
|
| 2 | [pron] [is] [verb] at | 890 |
|
| 3 | [Wh det] [is] [verb] at | 251 |
|
| 4 | what [be] [verb] at | 127 |
|
| 5 | what [is] [verb] at | 70 |
|
