| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at a [adj] | 3102 |
|
| 2 | [noun] at [adj] time | 2954 |
|
| 3 | [noun] at a time | 1497 |
|
| 4 | [noun] a [adj] time | 383 |
|
| 5 | at a [adj] time | 380 |
|
