| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] one at [art] time | 29 |
|
| 2 | [noun] [indef pn] at [art] time | 29 |
|
| 3 | [noun] [indef pn] at a time | 29 |
|
| 4 | [noun pl] [indef pn] at [art] time | 25 |
|
