| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] [prep] [adj] an hour | 25 |
|
| 2 | [adj] [noun] [prep] half [art] hour | 24 |
|
| 3 | [adj] [noun] [prep] half [art] hour | 24 |
|
| 4 | [adj] [noun] [prep] [det] [art] hour | 24 |
|
| 5 | [adj] [noun sg] [prep] [adj] [art] hour | 19 |
|
| 6 | [adj] [noun] for [adj] [art] hour | 13 |
|
| 7 | [adj] [noun pl] [prep] [adj] [art] hour | 6 |
|
