| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [prep] the [noun] | 7903 |
|
| 2 | [prep] [v-ing] [prep] [art] problem | 75 |
|
| 3 | [prep] [v-ing] [prep] [art] problem | 75 |
|
| 4 | [prep] [verb] [prep] the problem | 71 |
|
| 5 | [prep] [v-ing] [prep] the problem | 70 |
|
| 6 | [prep] [v-ing] [prep] the problem | 70 |
|
