| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for more than half [art] hour | 7 |
|
| 2 | for more than [det] [art] hour | 7 |
|
| 3 | for more than [det] a hour | 7 |
|
| 4 | for more than [det] [art] hour | 7 |
|
| 5 | for more than [det] an hour | 7 |
|
| 6 | for more than [det] [art] hour | 7 |
|
