| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [be] [prep] | 2050 |
|
| 2 | when [pron] [be] [prep] | 2050 |
|
| 3 | [conj] [pron] [be] to | 1519 |
|
| 4 | when [pron] [be] to | 18 |
|
