| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] know [Wh det] [vb -s] happened | 24 |
|
| 2 | i [verb] [Wh det] [vb -s] happened | 18 |
|
| 3 | i know [Wh det] [verb] happened | 9 |
|
| 4 | i know [Wh det] [vb -s] [verb] | 6 |
|
| 5 | i know [pron] [vb -s] happened | 5 |
|
| 6 | i know [Wh det] [vb -s] [vb pp] | 5 |
|
| 7 | i know [Wh det] [vb -s] happen | 5 |
|
