| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did they [verb] | 1262 |
|
| 2 | did [pron] know | 1026 |
|
| 3 | did [pers pn] know | 1019 |
|
| 4 | [verb] they know | 295 |
|
| 5 | do they know | 119 |
|
| 6 | [vb past] they know | 107 |
|
| 7 | did they know | 58 |
|
