| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] did [adv] know | 4061 |
|
| 2 | [Wh pn] did [adv] [verb] | 941 |
|
| 3 | [Wh pn] [verb] [adv] know | 277 |
|
| 4 | [Wh pn] do [adv] know | 246 |
|
| 5 | [Wh pn] [vb past] [adv] know | 112 |
|
