| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] | 321580 |
|
| 2 | [prep] [v-ing] | 321556 |
|
| 3 | for [verb] | 37947 |
|
| 4 | for [v-ing] | 36206 |
|
