| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] one [noun sg] at a time | 14 |
|
| 2 | [vb infin] one [noun sg] at a time | 14 |
|
| 3 | [vb infin] one [noun sg] at [art] time | 14 |
|
| 4 | take one [noun sg] at [art] time | 5 |
|
