| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] [be] at | 575 |
|
| 2 | who [vb mod] [be] [prep] | 155 |
|
| 3 | who [vb mod] [be] at | 21 |
|
| 4 | who [modal v] [be] at | 21 |
|
| 5 | [Wh pn] [vb mod] [be] at | 21 |
|
