| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] be | 27288 |
|
| 2 | when [pron] be | 4497 |
|
| 3 | [prep] when [pron] | 1080 |
|
| 4 | [prep] when be | 13 |
|
