| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | take [det] hours | 17 |
|
| 2 | [vb infin] several hours | 17 |
|
| 3 | [vb infin] many hours | 10 |
|
| 4 | spend [det] hours | 5 |
|
| 5 | work [det] hours | 5 |
|
