| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh det] it cost | 5 |
|
| 2 | know [Wh det] [pron] costs | 5 |
|
| 3 | know [Wh det] [pers pn] cost | 5 |
|
| 4 | know [Wh det] it cost | 5 |
|
| 5 | know what [pron] cost | 5 |
|
