| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] one [noun] [prep] a time | 54 |
|
| 2 | [adv] one [noun sg] [prep] a time | 53 |
|
| 3 | [adv] one person [prep] a time | 5 |
|
| 4 | [adv] one person [prep] a time | 5 |
|
