| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] at a [adj] time | 110 |
|
| 2 | [noun sg] [vb past] at a [adj] | 84 |
|
| 3 | [noun sg] [vb past] a [adj] time | 51 |
|
| 4 | [noun sg] [vb past] at a time | 18 |
|
| 5 | [vb past] at a [adj] time | 11 |
|
