| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] if [pers pn] | 907 |
|
| 2 | [prep] if [pers pn] [modal v] | 758 |
|
| 3 | [vb past] if [pers pn] [modal v] | 602 |
|
| 4 | [vb past] [prep] [pers pn] [modal v] | 119 |
|
