| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] [be] [vb pp] | 91869 |
|
| 2 | at [noun] [modal v] [be] | 260 |
|
| 3 | at [noun] [be] [vb pp] | 15 |
|
| 4 | at [modal v] [be] [vb pp] | 5 |
|
