| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [art] few hours | 21 |
|
| 2 | [vb infin] a few hours | 20 |
|
| 3 | [vb infin] a few hours | 20 |
|
| 4 | take [art] few hours | 5 |
|
