| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [noun] at a | 241 |
|
| 2 | [verb] [pron] at a time | 59 |
|
| 3 | [verb] [noun] at a time | 54 |
|
| 4 | [pron] [noun] at a time | 41 |
|
