| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | or [num] [noun pl] [prep] a time | 29 |
|
| 2 | or [num] [noun] [prep] a time | 29 |
|
| 3 | or [num] hours [prep] a [noun sg] | 8 |
|
| 4 | or [num] hours [prep] a [noun] | 8 |
|
| 5 | [conj] [num] hours [prep] a time | 7 |
|
| 6 | or [num] hour [prep] a time | 5 |
|
| 7 | or [num] hours [prep] [art] time | 5 |
|
| 8 | or [num] hours [prep] a time | 5 |
|
| 9 | or [num] hours [prep] a time | 5 |
|
| 10 | or [adj] hours [prep] a time | 5 |
|
| 11 | or [num] hours [prep] [art] time | 5 |
|
| 12 | [coord] [num] hours [prep] a time | 5 |
|
| 13 | or [num] hours [prep] a time | 5 |
|
