| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] three hours a [noun sg] | 12 |
|
| 2 | [coord] three hours a [noun sg] | 11 |
|
| 3 | or three hours a [noun sg] | 10 |
|
| 4 | or three hours a [noun sg] | 10 |
|
| 5 | [prep] three hours a [noun sg] | 5 |
|
| 6 | [prep] three hours a [noun sg] | 5 |
|
| 7 | three hours [prep] a [noun sg] | 10 |
|
| 8 | three hours [prep] a [noun sg] | 10 |
|
| 9 | three hours [verb] a [noun sg] | 6 |
|
| 10 | three hours [conj] a [noun sg] | 5 |
|
| 11 | three hours a [noun sg] [verb] | 6 |
|
