| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if it [verb] | 5734 |
|
| 2 | [v-ing] it [verb] | 1668 |
|
| 3 | [v-ing] if it | 116 |
|
| 4 | [v-ing] if [verb] | 16 |
|
