| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb mod] [verb] [is] that | 15 |
|
| 2 | what [vb mod] happen [is] that | 15 |
|
| 3 | [pron] [vb mod] happen [is] that | 14 |
|
| 4 | what [vb mod] happen [is] [that] | 14 |
|
| 5 | what [vb mod] happen [be] that | 14 |
|
| 6 | what [vb mod] happen [is] [conj] | 14 |
|
| 7 | [Wh det] [vb mod] happen [is] that | 14 |
|
| 8 | what [vb mod] [vb infin] [is] that | 14 |
|
| 9 | what [modal v] happen [is] that | 14 |
|
| 10 | what [vb mod] happen [is] that | 14 |
|
| 11 | what [vb mod] happen [is] that | 14 |
|
