| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] gone to the trouble of | 6 |
|
| 2 | [vb past] go to the trouble of | 6 |
|
| 3 | [vb past] go to the trouble of | 6 |
|
| 4 | had go to the trouble of | 5 |
|
