| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [prep] [art] trouble | 5 |
|
| 2 | [to-vb] [prep] [art] trouble of | 7 |
|
| 3 | [to-vb] [prep] [art] trouble [prep] | 7 |
|
| 4 | [to-vb] [prep] [art] trouble [prep] | 7 |
|
| 5 | [to-vb] [prep] [art] trouble of | 7 |
|
