| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do not know why [pron] | 24 |
|
| 2 | do not know why [pers pn] | 22 |
|
| 3 | did not know why [pron] | 11 |
|
| 4 | do not know why [pron] | 11 |
|
| 5 | do not know why he | 8 |
|
| 6 | do not know why he | 8 |
|
| 7 | do not know why she | 6 |
|
| 8 | do not know why she | 6 |
|
