| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [noun] | 468714 |
|
| 2 | [prep] if [pron] | 8881 |
|
| 3 | if [pron] [noun] | 4666 |
|
| 4 | [prep] if [noun] | 647 |
|
