| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | save [pers pn] the trouble of | 12 |
|
| 2 | [verb] [pers pn] the trouble of | 12 |
|
| 3 | [pers pn] the trouble of [v-ing] | 10 |
|
| 4 | [pers pn] the trouble of [verb] | 10 |
|
