| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] [conj] [vb past] | 3635 |
|
| 2 | at [noun prp] [conj] [verb] | 753 |
|
| 3 | at [noun] [conj] [vb past] | 712 |
|
