| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [verb] well [conj] | 21 |
|
| 2 | [modal v] know well [conj] | 19 |
|
| 3 | [vb mod] know well [conj] | 19 |
|
| 4 | should know [adv] [conj] | 13 |
|
| 5 | should know well [conj] | 11 |
|
