| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun sg] at a [adj] | 559 |
|
| 2 | [adj] [noun sg] at a time | 506 |
|
| 3 | [adj] [noun sg] at [adj] time | 395 |
|
| 4 | [noun sg] at a [adj] time | 117 |
|
| 5 | [adj] [noun sg] a [adj] time | 31 |
|
| 6 | [adj] at a [adj] time | 12 |
|
