| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] not know many | 5 |
|
| 2 | [pers pn] [vb past] not know many | 5 |
|
| 3 | [vb past] not know [adv] many | 6 |
|
| 4 | [vb past] not know how many | 6 |
|
| 5 | [vb past] not know how many | 6 |
|
| 6 | [vb past] not know [Wh adv] many | 6 |
|
