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