| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] at a time [prep] | 68 |
|
| 2 | [verb] at a time [prep] | 64 |
|
| 3 | [noun pl] [verb] at a time | 25 |
|
| 4 | [noun pl] [verb] at time [prep] | 7 |
|
