| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [adj] time | 380 |
|
| 2 | [coord] at [adj] time | 258 |
|
| 3 | [coord] at a [adj] | 233 |
|
| 4 | [coord] a [adj] time | 60 |
|
| 5 | [coord] at a time | 50 |
|
