| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [verb] when [verb] | 76 |
|
| 2 | be [verb] when it [verb] | 62 |
|
| 3 | [prep] be [verb] it [verb] | 20 |
|
| 4 | [prep] be [verb] when it | 16 |
|
