| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] [verb] be [that] | 11 |
|
| 2 | what [vb past] [verb] [be] [that] | 11 |
|
| 3 | what [vb past] [verb] [be] that | 11 |
|
| 4 | what [vb past] [verb] was [that] | 10 |
|
| 5 | what [vb past] [verb] [was/were] [that] | 10 |
|
| 6 | what [vb past] happen [be] [that] | 10 |
|
| 7 | what had [verb] [be] [that] | 8 |
|
| 8 | what [vb past] happened [be] [that] | 8 |
|
| 9 | what [vb past] [vb pp] [be] [that] | 8 |
|
