| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [det] hours ' [noun sg] | 11 |
|
| 2 | [prep] a [det] hours ['s] [noun sg] | 11 |
|
| 3 | [prep] [art] few hours ['s] [noun sg] | 11 |
|
| 4 | for [art] [det] hours ['s] [noun sg] | 6 |
|
