| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [noun] [art] | 1809 |
|
| 2 | at [adj] [noun sg] [art] | 1378 |
|
| 3 | [prep] [adj] time [art] | 740 |
|
| 4 | at [adj] time [art] | 481 |
|
| 5 | at [adj] time [art] | 375 |
|
