| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [det] hours ' [noun sg] | 31 |
|
| 2 | a [det] hours ' [noun sg] | 31 |
|
| 3 | a few hours ' [noun sg] | 28 |
|
| 4 | a [det] hours ' sleep | 10 |
|
| 5 | a [det] hours ' notice | 5 |
|
