| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pers pn] [modal v] [verb] a | 871 |
|
| 2 | [prep] if [pers pn] [modal v] [verb] | 419 |
|
| 3 | [prep] [pers pn] [modal v] [verb] a | 138 |
|
| 4 | [prep] if [pers pn] [verb] a | 95 |
|
