| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun prp] [conj] [vb past] | 442 |
|
| 2 | [noun prp] [conj] [vb past] [pos pn] | 387 |
|
| 3 | at [noun prp] [conj] [pos pn] | 94 |
|
| 4 | at [noun prp] [vb past] [pos pn] | 25 |
|
