| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] at a | 438 |
|
| 2 | [verb] at a time | 345 |
|
| 3 | [pron] at a time | 218 |
|
| 4 | [verb] [pron] a time | 16 |
|
