| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] if [pron] [modal v] [verb] | 166 |
|
| 2 | [v-ing] [conj] it [modal v] [verb] | 162 |
|
| 3 | [verb] if it [modal v] [verb] | 88 |
|
| 4 | [v-ing] [subord] it [modal v] [verb] | 20 |
|
| 5 | [v-ing] if it [modal v] [verb] | 6 |
|
