| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] they [modal v] [verb] | 3157 |
|
| 2 | [vb base] they [modal v] [verb] | 1088 |
|
| 3 | know [pron] [modal v] [verb] | 770 |
|
| 4 | know they [modal v] [verb] | 170 |
|
