| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [prep] this | 1419 |
|
| 2 | [modal v] [verb] [v-ing] [prep] | 1139 |
|
| 3 | [verb] [v-ing] [prep] this | 176 |
|
| 4 | [modal v] [verb] [v-ing] this | 31 |
|
