| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if [pron] | 8881 |
|
| 2 | [prep] if [to-vb] | 636 |
|
| 3 | [prep] [to-vb] [pron] | 232 |
|
| 4 | if [to-vb] [pron] | 206 |
|
