| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [Wh det] [vb mod] [verb] | 575 |
|
| 2 | of [Wh det] [vb mod] [vb infin] | 570 |
|
| 3 | [prep] [Wh det] [vb mod] happen | 237 |
|
| 4 | [prep] [Wh det] [vb mod] happen | 237 |
|
| 5 | of [pron] [vb mod] happen | 90 |
|
| 6 | of [Wh det] [vb mod] happen | 88 |
|
| 7 | of [Wh det] [vb mod] happen | 87 |
|
| 8 | of [Wh det] [modal v] happen | 87 |
|
