| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at a [adj] time | 139 |
|
| 2 | [noun] [vb -s] at a [adj] | 112 |
|
| 3 | [noun] [vb -s] a [adj] time | 38 |
|
| 4 | [noun] [vb -s] at a time | 33 |
|
| 5 | [vb -s] at a [adj] time | 15 |
|
