| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at a [adj] [noun] | 3009 |
|
| 2 | [noun] at a [adj] [noun sg] | 2897 |
|
| 3 | [noun] [prep] a [adj] time | 878 |
|
| 4 | [noun] [prep] a [adj] time | 878 |
|
| 5 | [noun] at [art] [adj] time | 516 |
|
| 6 | [noun] at a [adj] time | 163 |
|
| 7 | [noun] at a [adj] time | 139 |
|
| 8 | [noun] at a [adj] time | 139 |
|
