| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it [modal v] [vb infin] | 3178 |
|
| 2 | [vb base] it [modal v] [vb infin] | 833 |
|
| 3 | know [pron] [modal v] [vb infin] | 737 |
|
| 4 | know it [modal v] [vb infin] | 155 |
|
| 5 | know it [modal v] [verb] | 59 |
|
