| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | one [noun sg] [verb] [prep] a time | 5 |
|
| 2 | one [noun] [verb] at a time | 5 |
|
| 3 | one [noun] [verb] at a time | 5 |
|
| 4 | one [noun] [verb] [prep] a time | 5 |
|
