| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [num ord] hour | 307 |
|
| 2 | [art] [num ord] hour | 307 |
|
| 3 | an [num ord] [noun] | 97 |
|
| 4 | an [num ord] [noun sg] | 96 |
|
| 5 | an [adj] hour | 72 |
|
| 6 | a [num ord] hour | 9 |
|
| 7 | an [num ord] hour | 7 |
|
