| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [pron] know who [vb -s] | 8 |
|
| 2 | do [pron] know [Wh pn] [vb -s] | 8 |
|
| 3 | do [pron] know [Wh pn] [vb -s] | 5 |
|
| 4 | do [pers pn] know [Wh pn] [vb -s] | 5 |
|
