| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] did [pron] [verb] | 836 |
|
| 2 | [conj] [verb] [pron] know | 565 |
|
| 3 | [conj] do [pron] know | 285 |
|
| 4 | [conj] [vb past] [pron] know | 104 |
|
