| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb past] [prep] | 19795 |
|
| 2 | when i [vb past] | 6442 |
|
| 3 | when i [prep] | 6 |
|
| 4 | when [vb past] [prep] | 5 |
|
