| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [pron] know why [pron] [verb] | 22 |
|
| 2 | do [pron] know why [pron] [be] | 11 |
|
| 3 | do [pron] know why [pron] be | 11 |
|
| 4 | do [pron] know why [pron] [vb past] | 10 |
|
| 5 | do [pron] know why [pron] [vb base] | 9 |
|
| 6 | do [pron] know why [pron] [was/were] | 5 |
|
