| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [be] [vb pp] [prep] | 1470 |
|
| 2 | it when [pron] [be] [prep] | 43 |
|
| 3 | it when [pron] [be] [vb pp] | 36 |
|
| 4 | it [pron] [be] [vb pp] [prep] | 23 |
|
