| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] for a | 487 |
|
| 2 | [prep] [v-ing] a few | 192 |
|
| 3 | [v-ing] for a few | 75 |
|
| 4 | [prep] for a few | 6 |
|
