| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [prep] [art] [adj] [noun] | 325 |
|
| 2 | at [prep] [art] [adj] [noun sg] | 308 |
|
| 3 | [prep] [prep] [art] [adj] time | 228 |
|
| 4 | at [prep] [art] [adj] time | 171 |
|
| 5 | at [prep] [art] [adj] time | 171 |
|
