| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] know who the | 26 |
|
| 2 | do n't know who the | 21 |
|
| 3 | do [not/n't] know who the | 17 |
|
| 4 | did [not/n't] know who the | 6 |
|
| 5 | do not know who the | 5 |
|
