| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] know is | 5 |
|
| 2 | they know [pron] is | 17 |
|
| 3 | they know [Wh det] is | 12 |
|
| 4 | they know what is | 12 |
|
| 5 | they know what is | 12 |
|
