| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh adv] [pron] [modal v] [be] | 395 |
|
| 2 | [vb infin] [Wh adv] [pron] [modal v] [be] | 124 |
|
| 3 | know [Wh adv] [pron] [modal v] [be] | 87 |
|
| 4 | know [adv] [pron] [modal v] [be] | 45 |
|
