| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | one [prep] a time in | 6 |
|
| 2 | one [prep] [art] time in | 6 |
|
| 3 | one [prep] [art] time in | 6 |
|
| 4 | one at [art] time in | 5 |
|
| 5 | one at [art] time in | 5 |
|
