| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] more than [art] hour | 39 |
|
| 2 | [prep] more than an hour | 39 |
|
| 3 | [prep] more than [art] hour | 39 |
|
| 4 | for more than [art] hour | 33 |
|
| 5 | for more than [art] hour | 33 |
|
