| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [prep] a time | 38 |
|
| 2 | was [prep] a time | 38 |
|
| 3 | was at a time | 21 |
|
| 4 | was at a time | 21 |
|
| 5 | was for a time | 15 |
|
| 6 | was for a time | 15 |
|
