| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] to the trouble of | 9 |
|
| 2 | [vb infin] to the trouble [prep] | 9 |
|
| 3 | [vb infin] to the trouble of | 9 |
|
| 4 | [vb infin] to the trouble [prep] | 9 |
|
