| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [modal v] [vb infin] | 3178 |
|
| 2 | [v-ing] [pron] [modal v] [vb infin] | 1452 |
|
| 3 | [v-ing] it [modal v] [verb] | 229 |
|
