| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [prep] [be] [vb pp] | 84 |
|
| 2 | if i [vb past] [be] [vb pp] | 34 |
|
| 3 | if i [vb past] [prep] [be] | 19 |
|
