| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [modal v] [vb infin] | 10459 |
|
| 2 | [prep] [pron] [modal v] [vb infin] | 3883 |
|
| 3 | [prep] if [pron] [modal v] | 792 |
|
