| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [prep] if [pron] [modal v] | 150 |
|
| 2 | [verb] [prep] if i [modal v] | 25 |
|
| 3 | [vb past] [prep] [conj] i [modal v] | 11 |
|
