| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who is [verb] [prep] | 871 |
|
| 2 | [pron] is [verb] at | 625 |
|
| 3 | who be [verb] at | 266 |
|
| 4 | who [be] [verb] at | 266 |
|
| 5 | who [is] [verb] at | 47 |
|
