| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] few hours [prep] | 60 |
|
| 2 | [prep] a [det] hours [prep] | 58 |
|
| 3 | for [art] [det] hours [prep] | 26 |
|
| 4 | [prep] [art] [det] hours of | 16 |
|
| 5 | within [art] [det] hours [prep] | 11 |
|
| 6 | [prep] [art] [det] hours in | 10 |
|
| 7 | [prep] [art] [det] hours at | 8 |
|
| 8 | [prep] [art] [det] hours on | 6 |
|
| 9 | in [art] [det] hours [prep] | 6 |
|
| 10 | [prep] [art] [det] hours before | 5 |
|
