| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [vb infin] [pers pn] | 3171 |
|
| 2 | [modal v] [vb infin] [pers pn] know | 272 |
|
| 3 | they [modal v] [pers pn] know | 9 |
|
