| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [num] [noun pl] [art] hour | 29 |
|
| 2 | a [num] [noun pl] an hour | 29 |
|
| 3 | a [num] miles [art] hour | 27 |
|
| 4 | a hundred [noun pl] [art] hour | 25 |
|
