| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [prep] an hour | 20 |
|
| 2 | and within an hour | 9 |
|
| 3 | and within an hour | 9 |
|
| 4 | and after an hour | 8 |
|
| 5 | and after an hour | 8 |
|
