| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] for a | 359 |
|
| 2 | [adv] for a few | 273 |
|
| 3 | [v-ing] for a few | 75 |
|
| 4 | [adv] [v-ing] a few | 55 |
|
