| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] at a [adj] | 649 |
|
| 2 | [noun] [verb] a [adj] time | 240 |
|
| 3 | [noun] at a [adj] time | 139 |
|
| 4 | [noun] [verb] at a time | 98 |
|
| 5 | [verb] at a [adj] time | 95 |
|
| 6 | [noun] [verb] at [adj] time | 56 |
|
