| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] [noun] | 9825 |
|
| 2 | at a [adj] [noun sg] | 9454 |
|
| 3 | at [art] [adj] time | 8255 |
|
| 4 | [prep] a [adj] time | 3385 |
|
| 5 | [prep] a [adj] time | 3385 |
|
| 6 | at a [adj] time | 433 |
|
| 7 | at a [adj] time | 433 |
|
