| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | know what have been going on | 8 |
|
| 2 | know what have been going on | 8 |
|
| 3 | know [Wh det] have been going on | 8 |
|
| 4 | know [pron] 's been going on | 7 |
|
| 5 | know [pron] have been going on | 6 |
|
