| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] a [noun sg] | 290 |
|
| 2 | [adj] time a [noun sg] | 268 |
|
| 3 | at [adj] time [noun sg] | 83 |
|
| 4 | at [adj] time a | 70 |
|
