| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | did [pron] [verb] | 16806 |
|
| 2 | did [pron] [vb infin] | 16279 |
|
| 3 | [verb] [pron] know | 6487 |
|
| 4 | do [pron] know | 5081 |
|
| 5 | [vb past] [pron] know | 1040 |
|
| 6 | did [pron] know | 1026 |
|
