| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which did [vb infin] | 36 |
|
| 2 | [noun sg] [Wh det] did [vb infin] | 21 |
|
| 3 | [noun pl] [Wh det] did [vb infin] | 13 |
|
| 4 | [noun] [Wh det] did occur | 5 |
|
