| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [verb] at a | 373 |
|
| 2 | [be] [verb] at a time | 107 |
|
| 3 | [pron] [verb] at a time | 31 |
|
| 4 | [pron] [be] at a time | 7 |
|
| 5 | [pron] [be] [verb] a time | 5 |
|
