| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know [Wh det] [pron] [modal v] | 457 |
|
| 2 | know [Wh det] [pron] [vb mod] | 457 |
|
| 3 | [verb] [Wh det] [pron] should | 149 |
|
| 4 | know [pron] [pron] should | 38 |
|
| 5 | know [Wh det] [pron] should | 34 |
|
