| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [verb] what [modal v] happen | 13 |
|
| 2 | [verb] know what [modal v] happen | 8 |
|
| 3 | [vb infin] know what [modal v] [verb] | 5 |
|
| 4 | [vb infin] know what [modal v] happen | 5 |
|
| 5 | [vb infin] know [pron] [modal v] happen | 5 |
|
| 6 | [vb infin] know what [modal v] [vb infin] | 5 |
|
