| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a few minute | 360 |
|
| 2 | [vb infin] for a few | 56 |
|
| 3 | [vb infin] a few minute | 37 |
|
| 4 | [vb infin] for a minute | 35 |
|
