| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [subord] [pron] must know | 5 |
|
| 2 | [noun sg] [subord] [pron] must know | 5 |
|
| 3 | [subord] [pron] must know [pron] | 11 |
|
| 4 | [subord] [pron] must know [pers pn] | 9 |
|
