| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [adv] [vb past] [be] [that] | 12 |
|
| 2 | what [adv] [vb past] be [that] | 12 |
|
| 3 | what [adv] [vb past] [be] that | 12 |
|
| 4 | what [adv] [vb past] [be] [that] | 12 |
|
| 5 | what [adv] happened [be] [that] | 11 |
|
| 6 | what [adv] [vb past] [was/were] [that] | 11 |
|
| 7 | what [adv] [vb past] was [that] | 11 |
|
| 8 | what actually [vb past] [be] [that] | 9 |
|
| 9 | what actually [vb past] [be] [that] | 9 |
|
