| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] for | 4187 |
|
| 2 | [prep] [v-ing] [num] | 2833 |
|
| 3 | [v-ing] for [num] | 1015 |
|
| 4 | [prep] for [num] | 66 |
|
