| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at the [adj] time | 1478 |
|
| 2 | a [noun] at the [adj] | 945 |
|
| 3 | a [noun] at the time | 119 |
|
| 4 | a [noun] at [adj] time | 103 |
|
| 5 | a [noun] the [adj] time | 15 |
|
