| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [prep] the | 10817 |
|
| 2 | [prep] [v-ing] the problem | 136 |
|
| 3 | [v-ing] [prep] the problem | 110 |
|
| 4 | [prep] [v-ing] [prep] problem | 5 |
|
