| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [to-vb] [pers pn] | 3823 |
|
| 2 | [modal v] [vb infin] [pers pn] know | 272 |
|
| 3 | [vb infin] [to-vb] [pers pn] know | 16 |
|
| 4 | [modal v] [to-vb] [pers pn] know | 5 |
|
