| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] when | 3772 |
|
| 2 | [be] [vb pp] when | 3370 |
|
| 3 | [be] produced [conj] | 250 |
|
| 4 | [be] produce when | 33 |
|
