| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [pron] [vb infin] [prep] | 2150 |
|
| 2 | [Wh pn] did [pron] [vb infin] | 126 |
|
| 3 | [Wh pn] did [vb infin] [prep] | 19 |
|
| 4 | [Wh pn] did [pron] [prep] | 18 |
|
