| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] at an [adj] | 151 |
|
| 2 | [noun] [verb] at [adj] time | 56 |
|
| 3 | [noun] [verb] an [adj] time | 17 |
|
| 4 | [verb] at an [adj] time | 16 |
|
| 5 | [noun] at an [adj] time | 9 |
|
