| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [pron] [v-ing] | 1337 |
|
| 2 | [vb mod] [verb] it [verb] | 1151 |
|
| 3 | [modal v] [verb] it [v-ing] | 183 |
|
