| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [verb] a | 4134 |
|
| 2 | at [noun sg] [verb] [art] | 310 |
|
| 3 | at [noun sg] [verb] [art] | 310 |
|
| 4 | at [noun] [verb] a | 282 |
|
| 5 | at [noun sg] [verb] a | 119 |
|
