| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh adv] [pron] [is] [conj] | 80 |
|
| 2 | know [Wh adv] [pron] [be] [conj] | 31 |
|
| 3 | [vb infin] [Wh adv] [pron] [is] [conj] | 25 |
|
| 4 | know [Wh adv] [pron] [is] [conj] | 25 |
|
| 5 | know [adv] [pron] [is] [conj] | 12 |
|
