| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the trouble of [v-ing] [prep] | 5 |
|
| 2 | the trouble of [v-ing] [prep] | 5 |
|
| 3 | [art] trouble of [v-ing] [prep] | 5 |
|
| 4 | [art] trouble of [v-ing] [prep] | 5 |
|
