| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few minutes [prep] | 100 |
|
| 2 | [conj] [prep] a few minutes | 46 |
|
| 3 | [conj] a few minutes [prep] | 12 |
|
| 4 | [conj] [prep] a few [prep] | 7 |
|
