| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [verb] at a time | 24 |
|
| 2 | [pers pn] [vb past] at a time | 14 |
|
| 3 | it [verb] at a time | 11 |
|
| 4 | [pers pn] come at a time | 7 |
|
| 5 | [pers pn] [vb -s] at a time | 6 |
|
| 6 | they [verb] at a time | 5 |
|
