| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i know it must [vb infin] | 7 |
|
| 2 | i know it must [vb infin] | 7 |
|
| 3 | [pers pn] know it must [vb infin] | 7 |
|
| 4 | [pron] know it must [vb infin] | 7 |
|
