| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [noun] [modal v] [verb] | 185 |
|
| 2 | [prep] [verb] [noun pl] [modal v] [verb] | 96 |
|
| 3 | [prep] [v-ing] [noun pl] [modal v] [verb] | 95 |
|
