| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a few minute | 19 |
|
| 2 | [v-ing] [prep] a few minutes | 19 |
|
| 3 | [v-ing] for a few minute | 15 |
|
| 4 | [v-ing] for a few minute | 15 |
|
