| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in [noun] at a time | 22 |
|
| 2 | in [noun] at a time | 22 |
|
| 3 | in [noun sg] at a time | 10 |
|
| 4 | in [noun prp] at a time | 10 |
|
