| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] one at [art] time | 21 |
|
| 2 | [vb pp] one [prep] [art] time | 21 |
|
| 3 | [vb pp] one [prep] a time | 21 |
|
| 4 | [vb pp] one [prep] [art] time | 21 |
|
| 5 | [vb pp] one at [art] time | 21 |
|
