| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] should [vb infin] known [art] | 5 |
|
| 2 | [pers pn] should [vb infin] known [art] | 5 |
|
| 3 | should [vb infin] known [conj] [art] | 5 |
|
