| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | one at a time [conj] [verb] | 9 |
|
| 2 | one at a time and [verb] | 8 |
|
| 3 | one at a time and [verb] | 8 |
|
| 4 | one at a time [coord] [verb] | 8 |
|
