| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb mod] be produced [prep] | 14 |
|
| 2 | which [modal v] be produced [prep] | 13 |
|
| 3 | [Wh det] [modal v] be produced by | 5 |
|
| 4 | [Wh det] can be produced [prep] | 5 |
|
| 5 | [Wh det] [modal v] be produced in | 5 |
|
| 6 | [Wh det] can be produced [prep] | 5 |
|
