| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can be [verb] | 39872 |
|
| 2 | can be [vb pp] | 39670 |
|
| 3 | [modal v] be produced | 447 |
|
| 4 | can be produce | 180 |
|
| 5 | can [be] produced | 179 |
|
| 6 | can [be] produced | 179 |
|
| 7 | can be produced | 179 |
|
